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SERVICE MANUAL

1. F12 Indication 1 Indication 2 gt Suction temperature sensor TS failure O e TS sensor connector No Correct TS sensor e CN600 is connected connection Yes O e O O TS sensor resistance No Replace TS sensor characteristic is normal Yes y Replace outdoor control board PC Board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 F43 Indication 1 Indication 2 gt Heat sink temperature sensor TH failure O PC Board Replace outdoor control board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 e F15 Indication 1 Indication 2 gt Heat exchanger sensor TE TS wrong wiring Ooeeoo O e o o o 0 TE and TS sensor is No Correct sensor attaching attached to the correct position position Yes TE sensor resistance No characteristic is normal See the Replace TE sensor Yes characteristic table 101 TS sensor resistance No ecl T6 characteristic is normal See the eplace sensor Yes characteristic table 101 Replace outdoor control board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 120 Check code Outdoor LED Check and Action procedure
2. Conventionalrefrigerant R410A Air to Water Heat Pump installation No Tool to be used Usage For R410A Conventional New equipment can be Existence ofnew equipment used with conventional equipment used refrigerant 1 Flare tool Pipe flaring Yes Note 1 Yes Copper pipe gauge for Flaring by conventional 2 adjusting projection margin flare tool Yes Note 1 Note 1 3 Torque wrench For 215 9 Connection of flare nut Yes No No 4 Gauge manifold Evacuating refrigerant 5 Charge hose charge run check etc Yes No No 6 Vacuum pump adapter Vacuum evacuating Yes No Yes Electrical balance for 7 refrigerant charging Refrigerant charge Yes No Yes Refrigerant cylinder Refrigerant charge Yes No No 9 Leakage detector Gas leakage check Yes No Yes 10 Charging cylinder Refrigerant charge Note 2 No No Note 1 Flaring for R410A by using the conventional flare tool requires projection margin adjustment This adjustment requires copper pipe gauge or other instrument Note 2 A charging cylinder for R410A is currently under development General tools Conventional tools are available In addition to the above dedicated tools the following equipment also available for R22 is necessary as the general tools 1 Vacuum pump 4 Reamer 9 Hole core drill 065 Use this by attaching vacuum pump 5 Pipe bender 10 Hexagon wrench adapter 6 Level vial Opposite side 4mm 2
3. 2 Specify CODE NO FC 46 with the TEMP v mE button for temperature setting TEMP SELECT Set DATA to 0001 with the TIME button for timer 2 H H SCHEDULE NIGHT ZONE 1 2 HOT WATER setting See display C Cs Factory default is 0000 TIME DAY STEP OPERATE MODE HOT WATER BOOST po OO 4 Press the SET button If OK lights the status is 3 SET CL TEST ARETA AUTOTEWP Ls C A C WE normal 5 Pressing the TEST 4 button moves the unit to the normal 4 1 stop state Operation Press the ZONE1 2 button Set the operation to the heating mode After a while forced defrosting signals are transmitted to the outdoor unit and the unit starts defrosting Forced defrosting lasts for up to 10 minutes After the defrosting the heating operation starts To perform defrosting again start with 7 above Performing the forced defrosting once cancels the forced defrosting setting above described 140 13 Display Function of Set Temperature and Other Settings E Sensor temperature display calling lt Details gt This function calls the service monitor mode from the remote controller to show the data of the remote controller the hydro unit and outdoor unit UNITNOS T gt Z NOTAS lt Procedure gt ETEME 1 Press the TEST 4 and CL CO buttons at the sa
4. Circulating pump Remove the connection cover of the pump and measure the resistance with a tester AC pump Type L UPS025 65K 130 Location Resistance value 2 802XWH E N L N 100 200 Q UPS25 80 130 1402XWH E 124 9 6 2 Outdoor unit No Component name Check procedure Compressor Measure the resistance value of each winding with a tester Type Red 803 to 1403H E DA220A2F 22L Resistance ocation 803H E value DASAAROFTZIM Red White 1 04 1 16 Q White Black 1 04 1 16 0 DA422A3F 27M s es UN 1 103 1403 1603H8 R E Black Red 1 04 1 16 Q At 20 C 1 White Black 1103 to 1603H8 R E Resistance Location value Red White 0 75 0 83 White Black 0 75 0 83 Black Red 0 75 0 83 Q At 20 C Outdoor fan motor Measure the resistance value of each winding with a tester Type iw Location Resistance value cot Red White rE 802H E White Black 32 6 330 2 280 100 1 Sek 1103 1403H E ax e 1103 to 1603H8 R E 1103 1403H E Red White 1103 to White Black 14 841 50 White Black Black Red 4 way valve coil Measure the resistance value Type 803 to 1403H E VHV 01AP552B1 1473 1030 STF 01AJ 502 1 1103 to 1603H8 R E 1435 1440 Pulse motor valve coil Measure the resistance val
5. Diagnostic functional operation Number of Check ar abnormalities Detailed code Operational cause Backup Automat Determination and action for item p present ic reset confirmation Operation of case thermostat 1 Check the refrigeration cycle gas When the case thermostat exceeds leak 125 C 2 Check the case thermostat and Hod connector 4 110 3 Check that service valve is fully open 4 Defect of the pulse motor valve 5 Check for kinked piping Unset service PC board jumper L10 1 Cut J800 J803 1 111 Jumpers J800 J803 have not been cut The communication between the outdoor PC board MUCs error L29 MC x 1 Replace the outdoor control board 1 111 No communication signal between IPDU and CDB The outlet temperature error 1 Check the refrigeration cycle gas When the discharge temperature sensor leak TD exceeds 111 C 2 Defect of the pulse motor valve 4 112 3 Check the resistance value of the discharge temperature sensor TD P04 The high pressure switch error x 10 113 The power supply voltage error 1 Check the power supply voltage pos When the power supply voltage is AC220 230 V 10 single phase 4 114 extremely high or low type AC380 400 V 10 phase type Overheating of heat sink error 1 Check the thread fastening and When the heat sink exceeds 105 C heat sink grease between the outdoor control board and the heat P07 sink 4
6. 4 L UNITNOS Z cnn Uomo LIL LO F TEMP s lt gt SCHEDULE NIGHT ZONE 1 2 HOT WATER gt j TIME DAY STEP OPERATE MODE HOT WATER BOOST OO SET CL TEST ROSTPROTECTION AUTO TEMP ANTI BACTERIA 0 CR o 3 4 1 SELECT 5 Time Setting 1 Press the TIME Y button for 4 seconds or longer The screen moves to the time setting mode See display gt Day time and indications blink Time setting is available during an operation gt Z Lf LIL SELECT gt re A mm Specify a day to be set Press the DAY button to select the current day The W symbol moves along above the days W moves by each button press from MO through SU SCHEDULE NIGHT ZONE 1 2 HOT WATER Co gt ME o J TIME DAY STEP OPERATEMODE HOT WATER BOOST JO Kos amp _ Set ti me 1 SET CL TEST FROSTPROTECTION AUTO TEMP ANTI BACTERIA Use the TIME 4 button to set time Long press changes time 4 j OO display by 10 minutes Pressing the SET _ button ends the time setting Ending 3 2 the time setting changes the days and time to the lit state and returns to the normal display Q and indications go out 134 6 Scheduled Operation Setting Schedule setting makes the fol
7. 5 1 Cooling fan control The TL sensor TO sensor and operation frequency control the outdoor fan The control is performed by 1 tap of the DC fan control 14 taps For 60 seconds after the start the maximum fan tap for each zone that is shown in the following table is fixed After that the fan is controlled according to the TL sensor temperature TL C WE ta 58 P tee eee ee 1 tap 20 secs Up to the maximum number of rotation for each zone Number of rotation hold 38 35 1 tap 20 secs Up to the minimum number of rotation for each zone 74 Item Operation flow and applicable data etc 8 4 Outdoor unit control HWS 803H E Temperature range Less than 20 Hz 20 Hz or more to less 45 Hz or more Minimum Maximum Minimum Maximum Minimum Maximum 38 C lt TO W6 WC ws WE WA WE 29 C lt lt 38 C W5 WB W7 WD W9 WD 15 C lt TO lt 29 C WA w8 W6 WA ws WC 5 lt TO lt 15 W3 W6 W5 ws W7 WA orcs TO lt 5 C W2 W4 WA W6 W5 W8 4 C lt TO lt 0 C W2 W3 W3 W5 W4 W6 lt 4 C OFF OFF OFF W2 OFF w3 TO error OFF WC OFF WE OFF WE HWS 1103H E 1403H E Temperature range Less than 20 Hz 20 Hz or more to less 45 Hz or more Minimum Maximum Minimum Maximum Minimum Maximum 38 C lt TO W6 WC ws
8. 67 Item Operation flow and applicable data etc 9 Control of limit of heat pump operation When the peak period of electric power charge is set due to the contract or other conditions you can limit heat pump operation and give priority to boiler operation using an external input signal This control functions only during the period the signal is input optional board is required Connect its connection cable to CN210 port TCB PCIN3E PJ20 on the PC board of the hydro unit E Terminal label 9 1 Setting the control method Select an operation mode by setting FC61 FC61 4 Hot water cylinder heater OFF backup heater OFF Built in pump is ON e FC61 5 Hot water cylinder heater OFF backup heater OFF heat pump OFF Built in pump is stopped 9 2 Control summary When the TEMPO signal is input the circuit is closed the boiler signal is output regardless the outside temperature and devices are turned off following the setting on FC61 1 Basic operation heating operation using the boiler 2 Switching to hot water supply the water circuit is switched to the hot water supply side as the unit detect that TTW is less than 38 C 3 Switching to heating the water circuit is switched to the heating side as the unit detect that TTW is 45 C or more or 30 minutes has passed since operation started Heating operation continues at least 30 minutes 10 Output signal control 1
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10. 95 gt JE o J The value in the DATA changes TIME DAY STEP OPERATEMODE HOT WATER BOOST 4 Press the SET _ button If the blinking changes to lit the 4 00 status is normal To change the item to be set go to 2 1 5 Pressing the TEST 2 button moves the unit to the normal stop state 128 OO TEST AUTOTEMP ANTI BACTERIA OK e 5 Function code table FC Item Details First shipment 01 Water heat exchanger capacity 1 0012 803XWH E 0017 1403XWH E Depends on type 02 Cooling Non cooling switching 0000 Cooling 0001 No cooling 0001 No cooling 07 Hot water HP operation mode upper time limit 0000 0 min 0120 120 min 0030 30 min 08 Hot Water Boost operation time operating time 0003 30 min 0018 180 min 0006 60 min 09 Hot Water Boost set temperature 0040 40 C 0080 80 C 0075 75 C OA Anti bacteria set temperature 0065 65 C 0080 80 C 0075 75 C OB Anti bacteria holding time 0000 0 min 0060 60 min 0030 30 min OC Mixing valve drive time 0003 30 sec 0024 240 sec 0006 60 sec OF Hot water HP allowance while cooling supplying hot 0000 Not allow 0001 Allow 0000 Not allow water 18 Upper limit of cooling set temperature 0018 20 C 0030 30 C 0025 25 C 19 Lo
11. Unit name Hydro unit HWS 1403XWHMG E 1403XWHT6 E 1403XWHD6 E 1403XWHT9 E Outdoor unit HWS 1103H E HWS 1403H E Heating capacity 1 KW 11 2 14 0 Cooling capacity 2 KW 10 0 11 0 Variable range of compressor frequency 10 60Hz 10 70 Hz Power source Single phase 50Hz 220 230V Operation mode Heating Cooling Heating Cooling Electric characteristic 1 2 Hydro unit Current A 0 63 0 61 0 67 0 63 Power kW 0 135 0 130 0 145 0 135 Power factor 93 2 92 7 94 0 93 2 Outdoor unit Current A 9 94 14 88 13 37 17 47 Power kW 2 215 3 39 2 965 3 945 Power factor 96 9 99 1 96 4 98 1 Total Starting current A 10 57 15 49 14 04 18 10 Operating noise 1 2 4 Hydro unit dB A 29 29 29 29 Outdoor unit dB A 49 49 51 51 Coefficient of performance 1 2 4 77 2 84 4 50 2 70 Hydro unit Outer dimension Height mm 925 Width mm 525 Depth mm 355 Net weight kg 54 Color Silky shade Munsell 1Y8 5 0 5 Remote controller Height mm 120 Outer dimension 3 Width mm 120 Depth mm 16 Circulating pump Motor output W 190 MAX Flow rate L min 32 1 28 9 40 1 31 5 Type Non self suction centrifugal pump Heat exchanger Plate type heat exchange Outdoor unit Outer dimension Height mm 1340 Width mm 900 Depth mm 320 Net weight kg 93 Color Silky shade Munsell 1Y8 5 0 5 Compressor Motor output W 2500 Type Twin rotary type with DC inverter variable speed control Model DA422A3F 25M Fan motor Standard air capacity m min 103
12. Heater off Heater 1 Heater 1 1 When the heater outlet temperature sensor THO drops to the temperature of 2 C below the set temperature Status Heater ON OFF Defrosting ends according to the usual heater control Heater 1 Backup heater kW ON 2 4 Forcible heater energization To prevent freeze the unit energizes or stops energizing a backup heater 3 kW regardless of the unit status not operated or in operation Object to be controlled Backup heater 1 Energization start condition TWO 4 or TWI lt 4 or THO lt 4 2 Energization stop condition TWO 2 5 and TWI 2 5 and THO gt 5 Defrosting ends according to the usual heater control 2 5 No heater operation According to the DP SW11 setting the unit switches the energize not energize for the hot water cylinder backup heater and booster For details see 10 1 Caution All heater should be added to this Air to water system The system has been designed to operate with all electrical heaters energized 61 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 3 Circulation pump control One circulation pump enhancing pump P2 can be connected to the unit in addition to the built in circulation pump P1 You can change the settings of the built in pump P1 and the enhancing pump P2 using DP SW10 1 2 and 3 in the hydro unit Item Operation Initial value DPSW AC pump 01 Built
13. Wear gloves Wear gloves when performing repair Failure to do so may cause an injury when accidentally contacting the parts Thick gloves such as cotton work gloves Cooling check Perform service work when the unit becomes cool enough after the operation High temperature of compressor piping or other equipment after a cooling or heating operation may cause burn lt Tighten with torque wrench Tighten a flare nut with a torque wrench in the specified method flare nut tightened too much might crack after a long period causing refrigerant leak 2 NEW REFRIGERANT R410A This Air to Water Heat Pump adopts a new refrigerant HFC R410A to prevent destruction of the ozone layer The working pressure of R410A refrigerant is 1 6 times higher than that of the conventional refrigerant R22 The refrigerant oil is also changed for the new refrigeration Therefore during installation or service work be sure that water dust former refrigerant or refrigeration machine oil does not enter the refrigerant cycle of the new type refrigerant Air to Water Heat Pump A wrong installation or service operation may cause a serious accident Read carefully the following instructions to use the tools or members for R410A for safety work 2 1 Safety During Installation and Service Use only the refrigerant R410A for Air to Water Heat Pump using R410A A mixture of R410A with different ones excessively raises the
14. x x status 4 x x 66 Item Operation flow and applicable data etc Basic operation logic There are 4 operation combination pattern for Heating amp Hot water When open signal is input the operation status change to the next status For example if current operation status is heating ON and hot water OFF then next status to be heating OFF amp hot water OFF when pulse is input Hydro unit memorize the status of the operation pattern before changing OFF status by close signal If pulse is input at operation status 2 the operation pattern in the status 3 is same pattern in the status 1 Manually ON OFF If customer change operation pattern manually by remote controller change then operation pattern will not be same as the basic logic 1 If customer stop operation Heating off and hot water off by the controller then both heating amp hot water not to be ON with close or open signal 2 If the unit is stopped Heating off and hot water off by open signal operation pattern will be referred to the pattern before the unit OFF by close signal When you want to turn on off with the pulse input reflecting the operation setting on the remote control hot water supply heating or hot water supply and heating FC52 3 FC61 1 RC on condition x RC off condition FC61 1 amp FC52 3 q Operation pattern Operation Heating o o
15. Outward winding i E ub Suction pipe Pulse motor valve coil lead Piping cover Binding tie Sensors TL TO TE TS Pulse motor valve coil lead 169 Exchange parts No Work procedure Remarks 6 Compressor 3 Vacuuming Compressor lead 1 Connect the vacuum pump to the charge port of the gas piping valve to operate the vacuum pump 2 Perform vacuuming until the vacuum low pressure gauge shows 1 mmHg NOTE Open fully the pulse motor valve before vacuuming With the valve closed vacuuming between the outdoor unit liquid valve and the pulse motor valve may fail How to make pulse motor valve forcible full open Turn on the electric leakage breaker Set the SW804 dip switch 1 and 3 on the outdoor unit control board to ON Press SW801 on the outdoor unit control board for 1 second or longer e After pressing SW801 for 1 second or longer turn off the electric leakage beaker within 2 minutes 4 Charge refrigerant 1 Add refrigerant whose amount is defined according to the piping length from the valve charge port HWS 802H 1 8kg Pulse motor valve coil 1 How to remove 1 Perform the step 1 1 and step 3 2 Remove the coil from the pulse motor valve body while pulling the coil upward to release the spring holding the copper pipe 2 How to attach 1 Fix the spring to the copper pipe Pulse motor valve coil Sp
16. SW14 El Photocoupler input n oo Peboard i 3 Cooling thermostat I P pn MCC 1214 anapo Heating thermostat UP 2 _ UE eem Flow switch W10 SW11 SW12 SW13 ON ON ON CN201 2005 1 The one dot chain line indicates 4 1234 1234 12 wiring at the local site and the ED laii Tee proteine dashed line indicates accessories uo ed sold separately and service wires SWO7 respectively 2 0 indicates the terminal eui board and the numberals ndicate the 24 terminal numbers 3 indicates P C board CN101 Transformer Be sure to fix the electric WHI parts cover surely with screws Otherwise water enters into the box resulting in malfunction F100 Fuse CN100 TSA GRN WHI 250V z 5 zl 1 HWS 803XWHT6 E Installed 1 HWS 803XWHTETR Installed HWS
17. TWI sensor is No attached to pipe Yes TWI and TWO sensor characteristics Replace water heat exchange control board No Remove sufficiently excess air Waste stuck inside water circuit 12 M or longer water pipe to a branch or 5 or less branches 99 Replace flow switch Remove waste Place buffer tank and the second pump Attach TWI sensor Replace TWI or TWO sensor A12 Error Heating or Hot water supply heater failure Restart Operation starts under 10 TWI lt 20 C Freeze prevention control is detected once Heater backup operation Heating Booster heater Hot water supply Hot water cylinder heater After 1 hour since heater operation started neither TWI 2 15 C nor TTW 2 20 C is met Water heat exchanger board DPSW11 1 2 is ON No Yes Backup heater or hot water cylinder terminal has 220 230V 10 AC220 230 10 single phase type AC380 400 V 10 3 phase type No Power is connect to backup heater or hot water cylinder terminal No Ves Yes No Backup heater NG Backup heater element is conductive Yes Hot water cylinder heater element is conductive No Hot water cylinder heater NG Yes TWI TTW sensor characteristics are normal No Refer to Charasteristic table on page 122 Yes Replace water heat exchange control board 100 A12 abnormality detecti
18. status 1 Hotwater o x Manually ON OFF l Pulse input change by remote controller Operation EM c status 2 Hotwater gt Pulse input Operation o gt status 3 Homala o gt 4 Pulse input meme PO Pulse input Operation status 4 Hotwater x x There 4 operation combination pattern for Heating amp Hot water When pulse signal is input the operation status change to the next status For example if current operation status is heating ON and hot water OFF then next status to be heating OFF amp hot water OFF when pulse is input Hydro unit memorize the status of the operation pattern before changing OFF status by pulse signal If pulse is input at operation status 2 the operation pattern in the status 3 is same pattern in the status 1 If customer change operation pattern manually by remote controller then operation pattern will not be same as the basic logic 1 If customer stop operation Heating off and hot water off by the controller then both heating amp hot water to be ON with pulse input 2 If the unit is stopped Heating off and hot water off by pulse input operation pattern will be referred to the pattern before the unit OFF by pulse Related FC FC No Setting item Default Setting value 52 Control method 0 0 3 See 8 1 61 Object to control 0 0 3 See 8 2
19. HOT WATER falc ab abc hye 9 TUYWELTHYFRYSAISU ZU TEMP night operation lowers the set temperature by 5K for heating and ep raises 5K for cooling during the set time period 1 from 22 00 to 6 00 Default SCHEDULE NIGHT SELECT ZONE 1 2 HOT WATER Co r9 Ge TIME DAY STEP OPERATE MODE HOT WATER BOOST 68 Pressing the NIGHT button again makes Y disappear OO and the normal operation starts lt How to set NIGHT operation start and end time gt 1 Press the NIGHT button for 4 seconds or longer Moves to the NIGHT time setting mode See display C OE in the Code No field and the current time displayed blink Press the TIME 4 button to set a desired start time Pressing SET changes the time to be lit and the setting is confirmed Press the TEMP Y button to change Code No The codes OE and OF only can be changed Press the TIME Y 4 button to set a desired end time Pressing SET e changes the time to be lit and the setting is confirmed Press the TEST button to exit the NIGHT time setting mode 137 SET CL TEST FROST PROTECTION AUTO TEMP ANTI BACTERIA OO 8 aD PT NT 47 E N SELECT 3 CyO C42 ee SCHEDULE NIGHT ZONE 1 2 HOT WATER aD NK
20. Exchange parts name Work procedure Remarks 12 Pump To replace a water circuit part first close the water supply source valve and the valve of water pipe connected to the hydro unit How to remove 1 Perform the step 1 1 step 5 6 and 10 2 Remove the fixed screws of the pump fixing board ST1T x 8 2 screws 3 Remove the 2 nuts of the heater connection and the lower side of the pump 4 Remove the pump fixing board ST3T 6 x 16 2 screws 5 Remove the nut of the upper part of the pump How to attach The pump connection uses a liquid packing for water seal When replacing the pump use a packing which was slathered with the liquid gasket Part code Service parts 37595721 Packing 1 Attach a new pump in the reverse order of the removal After the pump replacement repair open the water supply source valve and water piping valve to pass water through the hydro unit and check that the pump connection has no water leakage Pump fixing board 158 No Exchange parts name Work procedure Remarks 13 Flow switch To replace a water circuit part first close the water supply source valve and the valve of water pipe connected to the hydro unit How to remove 1 Perform the step 1 1 and step 5 2 Remove the flow switch The flow switch connection uses an O ring for water sea
21. How to set anti bacteria start time and cycle 1 Press the ANTI BACTERIA button for 4 seconds or longer See display C Moves to the anti bacteria time setting mode in the Code No field and the currently set e and waz indication blink 2 Press the TIME Y 4 button to set desired start time 3 G GO Pressing SET changes DATE set time OC and indication to be lit and the setting is confirmed Co gt j TIME DAY STEP OPERATE MODE HOT WATER BOOST 3 Press the TEMP v button to change Code 9 OO SET CL TEST FROSTPROTECTON AUTO TEMP ANTI BACTERIA to 0d 4 2 Ce indication blink 4 Press the TIME Y A button to set a desired cycle 5 1 Pressing SET e changes DATE set time Od and indication to be lit and the setting is confirmed 5 Press the TEST button to exit the anti bacteria time setting mode 138 10 Hot Water Boost Setting This setting heats the water whenever necessary by using the heat pump and hot water cylinder heater HOT WATER BOOST operation with the heat pump and heater ends when the water temperature reaches 75 C however the normal hot water supply operation automatically starts after 60 minutes even if the temperature is not as high as 75 C 3 Press the HOT WATER button to start a hot water supply operation Norm
22. TD 30 C 12 Not energized Intermittently energized 10 mins ON 5 mins OFF Output equals to 40W Continuously energized Output equals to 40W Notes During winding energization energizing noise may be heard but this is not abnormal 8 Short circuit operation prevention control 1 In 11 minutes after the operation start the compressor may not stop for protection This status is not abnormal The operation duration time of the compressor varies depending on a operation status 2 If the operation stops with the remote controller the operation does not continue 9 Over current protection control 1 A detection of abnormal current with the over current protection control stops the compressor 2 Set the abnormality detection counter to 1 and restarts the compressor after 150 seconds 3 When the stop by over current protection control counts 8 times error code is displayed and the compressor does not restart Remote controller error code display HO1 T9 Item Operation flow and applicable data etc 8 4 Outdoor unit control 10 High pressure release control 1 To prevent excessive hi pressure rise operation frequency is controlled by the TL sensor when cooling and by TWO sensor when heating 2 If the TL sensor when cooling or the TWO sensor when heating detects an abnormal stop zone temperature the compressor stops and the abnormality detection counter increments
23. 167 Exchange parts No Work procedure Remarks 6 Compressor 10 Remove the discharge and suction pipes Compressor lead connected to the compressor by using a burner WARNING When removing the piping by burning the solder take enough care for a fire going off at the moment the wax melts if oil remains inside the piping NOTE Do not make fire flame contact with the 4 way valve and pulse motor valve This may cause an operation failure 11 Pull out the discharge and suction pipes of the refrigerant cycle upward 12 Remove the compressor bolts that fix the compressor to the bottom board 3 bolts 13 Pull the compressor out toward you NOTE The compressor weighs 15 kg or more Two people should be required to handle it Remove Outlet pipe por T Remove Suction pipe Compressor bolt 3 bolts 168 Exchange parts No Work procedure Remarks 6 Compressor 2 Attach the compressor Compressor lead 1 Attach the compressor in the reverse order of the Compressor Wind ferrite core with removal lead compressor lead for 4 times NOTE Besure to replace the compressor lead after the compressor replacement Compressor lead spare parts code 43160591 At this time wind the ferrite core with the compressor lead for 4 times Bind the compressor lead that is long with a commercially available binding tie When doing th
24. 3 Remove the 2 fixed screws of the heater 4 Pull the heater out upward 5 Remove the insulator from the heater How to attach The heater connection uses a liquid packing for water seal When replacing the heater use a packing which was slathered with the liquid gasket Part code Service parts 37595721 Packing 1 Attach a new heater in the reverse order of the removal After the heater assembly replacement repair open the water supply source valve and water piping valve to pass water through the hydro unit and check that the heater connection has no water leakage Nut Heater assembly Insulator Heater assembly 16 TC sensor TWI sensor TWO sensor THO sensor 1 How to remove 1 Perform the step 1 1 and step 5 2 Take the sensor out TC sensor Sensor diameter 6 Tube color Black TWI sensor Sensor diameter 4 Tube color Blue THO sensor Sensor diameter 6 Tube color Gray TWO sensor Sensor diameter 66 Tube color Red 160 No Exchange parts name Work procedure Remarks 17 Water heat ae exchanger assembly Close the water piping source valve and the valve of water pipe connected to the hydro unit and then remove the refrigerant and water piping Perform refrigerant recovery with the outdoor unit Disconnect all the power source cable outd
25. After the expansion vessel replacement repair open the water supply source valve and water piping valve to pass water through the hydro unit and check that the expansion vessel connection has no water leakage DET Replace the packing to new one when installing the expansion vessel ouo Relief valve To replace a water circuit part first close the water supply source valve and the valve of water pipe connected to the hydro unit 1 Perform the step 1 1 step 5 6 and 7 2 Remove the quick fastener 3 Remove the relief valve by pulling it upward The relief valve connection uses an O ring for water seal Be careful not to scratch the O ring otherwise water leakage may occur After the relief valve replacement repair open the water supply source valve and water piping valve to pass water through the hydro unit and check that the relief valve connection has no water leakage fastener Air vent valve To replace a water circuit part first close the water supply source valve and the valve of water pipe connected to the hydro unit 1 Perform the step 1 1 step 5 6 and 7 2 Remove the air vent valve After the air vent valve replacement repair open the water supply source valve and water piping valve to pass water through the hydro unit and check that the air vent valve connection has no water leakage 157 No
26. TL Heat exchanger sensor 2 TO Outside temperature sensor 20SF 4 way valve coil 49C Compressor case thermostat 63H High pressure switch RY Relay 24 5 4 Hot Water Cylinder Unit Double pole thermal cut out Blue TTW sensor Hot water cylinder heater y To hydro unit Supply 220 230 V from hydro unit Cable size 1 5 mm minimum 25 6 Key Electric Component Rating 6 1 Hydro Unit HWS 803XWHM3 E T6 E 06 T9 E Model name No Component name Type name Rating M3 E T6 E D6 E T9 E 1 Circulating pump O O UPS025 65K 130 AC230 V 0 54 A 2 Backup heater 6 kW AC 400 V 3N 6 kW AC230 V 3 kW compatible 3 Backup heater 9 kW _ AC400V 3N 9 kw Water heat exchange 10 kQ 25 C 4 temperature sensor TC sensor 5 Water inlet temperature sensor 8 _ 10 kQ 25 C TWI sensor Water outlet temperature sensor 10 kQ 25 C 6 TWO sensor Heater outlet water temperature 10 kQ 25 C 7 sensor THO sensor 8 Floor inlet temperature sensor B _ 10 kQ 25 C sensor Pressure switch Operating pressure 4 15 MPa 0 0 3 9 _ MPa 10 Low pressure sensor Operating pressure 0 20 MPa T Bimetal thermostat auto _ Operating temperature 75 3 C DC
27. lt Latest abnormality gt lt Abnormality now gt Because the error history is recorded you can see the detail SW803 1 onlyis ON SW803 All OFF Initial status even after the power is once turned off Not including outside air temperature sensor TO failure After check work is done or when outside air temperature sensor TO failure is detected set all the SW803 switches to OFF An abnormality now is indicated 123 4 ol O ioo 0 ON Indication switching a oa One or more LEDs of D800 through D804 lit yellow indicates Indication 1 gt Indication 2 gt that a failure occurred Indication 1 gt Normal Abnormality occurs Press SW800 With the status above pressing the SW800 button for one D800 yellow 6 second causes the yellow LED to blink lt Indication 2 gt D801 yellow Pressing again SW800 for one second or longer returns to D802 yellow 6 e lt Indication 1 gt D803 yellow The combination of lt Indication 1 gt and lt Indication 2 gt can D804 yellow determine what kind of abnormality D805 green O Example of outlet temperature sensor failure O Light Blink Check code Outdoor LED Check and Action procedure indication No specific description indicates outdoor unit parts H01 Indication 1 Indication 2 gt
28. the frost protection and the heating operation 2 3 1 3 lt How to set FROST PROTECT operation end time gt 1 Press the FROST PROTECTION button for 4 seconds or longer Moves to the FROST day setting mode See display gt 12 in the Code No field and the current time displayed blink w Z 2 FA San LIL 2 Press the TIME Y 4 button to set a desired end days TEMP SELECT Pressing SET changes the time to be lit and the setting is 3 Cp gt confi rmed SCHEDULE NIGHT ZONE 1 2 HOT WATER ME JK o j 3 Press the TEMP D Ca button to change Code No oo eS e ean HOT WATER BOOST v A Of 1 3 2 4 Tos TEST FROSTPROTECTON AUTO TEMP ANTI BACTERIA The codes 12 and 13 only can be changed 2127 gt JU 2 4 Press the TIME Y button to set a desired end hours 5 1 Pressing SET C2 changes the time to be lit and the setting is confirmed 5 Press the TEST 4 button to exit the FROST PROTECTION days amp time setting mode 136 8 NIGHT Operation Setting For night time hours this setting changes set temperature of heating or cooling by 5k as save operation Press the ZONE1 2 button to start a heating or a cooling operation See display gt Night time operation is not available for hot water supply Use the schedule operation Pressing the NIGHT button displays the 49 symbol gt ZONE 4j ZONE2
29. uonduos q i uomog SL 09 002 lou ejou 08 HWS 1103H E 1403H E 1103H8 R E 1403H8 R E 1603H8 R E _ wv TL Description shape hole 2 5 o A 8 E o o n Refrigerant piping outlet Indoor and outdoor connecting line outlet Mounting bolt hole Details of portion B 12x17 U 12x17 long hole Mounting bolt hole om Details of portion A Refrigerant gas connection Refrigerant liquid connection 15 9 flare 9 5 flare Drain hole 25 burring hole Portion B PR Elg 18 ra ale EIS s c s S Q 5 Drain hole 20x88 burring hole 20 Knockout for lower part of piping Z arrow view 4 3 Hot water cylinder HWS 3001CSHM3 E UK HWS 2101CSHM3 E UK Specification for UK om 2066 6 oroz 1497 6 vlvl HWS 1501CSHM3 E UK 550 Specification i for UK only 1114 060 21 5 Wiring Diagram 5 1 Hydro Unit EOE E A WARNING 22 22080 m Perform the gr
30. 0 101 0 097 Power factor 91 5 91 7 Outdoor unit Current A 7 64 8 90 Power kW 1 719 2 033 Power factor 97 8 99 3 Total Starting current A 8 62 9 36 Operating noise 1 2 4 Hydro unit dB A 29 29 Outdoor unit dB A 49 49 Coefficient of performance 1 2 4 40 2 82 Hydro unit Outer dimension Height mm 925 Width mm 525 Depth mm 355 Net weight kg 50 Color Silky shade Munsell 1Y8 5 0 5 Remote controller Height mm 120 Outer dimension 3 Width mm 120 Depth mm 16 Circulating pump Motor output W 125 MAX Flow rate L min 22 9 17 2 Type Non self suction centrifugal pump Heat exchanger Plate type heat exchange Outdoor unit Outer dimension Height mm 890 Width mm 900 Depth mm 320 Net weight kg 63 Color Silky shade Munsell 1Y8 5 0 5 Compressor Motor output W 1400 Type Twin rotary type with DC inverter variable speed control Model DA220A2F 22L Fan motor Standard air capacity m3 min 50 0 Motor output W 60 Refrigerant piping Connection method Flare connection Hydro unit Liquid 09 52 Gas 015 9 Outdoor unit Liquid 09 52 Gas 915 9 Maximum length m 30 Maximum chargeless length m 30 Maximum height difference m 30 Minimum length m 5 Refrigerant Refrigerant name R410A Charge amount kg 1 8 Water piping Pipe diameter R1 1 4 Maximum length m None Need the flow rate 132 or more Maximum height difference m 7 Maximum working water pressure kPa 300 Operating temperature range Hyd
31. 2 How to operate circulation pump backup heater When neither HOT WATER nor ZONE 1 2 is in operation if the end condition is not met when minutes has passed after an operation starts End condition TWO 2 5 C and TWI 2 5 C and THO 2 5 C Heating with the set temperature 55 C operates 3 3 Abnormal stop If a freeze prevention operation continues for 30 minutes and does not meet the end condition the operation stops as abnormal stop Remote controller check code A05 14 2 Piping freeze prevention control 2 TC and TWO activates freeze prevention regardless of a heat pump operation mode 1 Determination condition TWO gt 20 C 2 TC TWO lt 12 C is continuously detected for 30 seconds or longer Or TWO lt 20 C TC TWO lt 4 C is continuously detected for 30 seconds or longer 2 Determination cancellation conditions The stop or operation mode is changed by the remote controller The mode is defrosting at the time of determination At the next time of defrosting the start condition is not met The mode is other than defrosting at the time of determination After cooling heating hot water heat pump restarts the start condition is not met for 10 minutes 3 Error display If freeze determination cancellation condition is not met A04 error is displayed 14 3 Piping freeze prevention control 3 This control applies only when defrosting is in operation 1 Determination condition During defrosting TWI 15 C is
32. 2 pcs 6 Remove screws for the discharge port cabinet and the fin guard Hexagonal screw 04 x 10 2 pcs 2 Attachment 1 Attach the discharge port cabinet and end board of heat exchanger and fix with a screw ST1T 24 x 8 1 pc 2 Mount other removed screws into original positions Fin guard Bottom plate 181 No Part name Procedure Remarks Side cabinet 1 Detachment 1 Carry out the operation in 1 of 1 above 2 Remove the screws fixing the inverter assembly and the side cabinet ST1T 4 x 10 3 pcs 3 Remove the screws for the side cabinet and the valve fixing plate ST1T 4 x 10 2 pcs 4 Remove screw for the side cabinet and piping panel rear Hexagonal screw 4 x 10 2 pcs 5 Remove screw for the side cabinet and the bottom plate Hexagonal screw 4 x 10 1 pc 6 Remove screws for the side cabinet heat exchanger and the fin guard Hexagonal screw 04 x 10 5 pcs 2 Attachment 1 Temporarily suspend the side cabinet on the inverter assembly using the hook 2 Mount the removed screws in the opposite procedure to that during detachment Discharge port cabinet Side cabinet Inverter ass y Valve fixing plate Valve fixing plate 182 No Part name Procedure Remarks Inverter assembly Compres 1 Detachment 1 Carry out the operation in 1 of 1 1 of 3 above 2 Remove the connectors connected to the F
33. AC380 400 V 10 3 phase type Yes When not energized the fan motor can be smoothly rotated by hand Fan motor coil resistance is normal No gt Between red white leads 12 20 Q Replace ranmotor Between white black leads 12 200 Between black red leads 12 20 Q Y Yes Check outdoor control board PC Board If defective replace it 803H E MCC 1571 1103 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1596 Outdoor fan sole operation check 1 With the dip switch SW804 set as in the table below pressing SW801 for approx 1 second can check the outdoor fan sole operation Perform this check to determine which of upper or lower fan has a problem When SW801 is pressed again for 1 second or when 2 minutes has passed the fan stops 2 After the check set all the SW804 dip switches to OFF Outdoor fan sole operation SW804 5 801 e Press Ee ON P26 lt Indication 1 gt lt Indication 2 gt Ooooeoe Compressor drive element shorted out The connection between compressor No lead and reactor is correct Check with wiring diagram J N Yes A operation without compressor lead N No Replace outdoor board does not cause the same problem Y Yes Correct wiring Compressor check rare short circuit etc
34. Compressor fails Power voltage is normal AC220 230 V 10 single phase type AC380 400 V 10 3 phase type Yes Wiring connection is normal Compressor lead Board side compressor side reactor lead power lead Yes No Improve power line ooeoee oK E E E JO Check and correct wiring connection abnormal over loaded Deal with or remove causes PC Board pan orai 803H E MCC 1571 SEE 1103 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1596 109 Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts H02 lt Indication 1 gt lt Indication 2 gt OOeoee oeeeoe Compressor lock Power voltage is normal AC220 230 V 10 single phase type AC380 400 V 10 3 phase type Yes Wiring connection is normal No Improve power line Check and correct Compressor lead board side compressor side reactor power lead Yes Compressor is normal Yes Retigera stays inside Yes Pulse motor valve operates normally No Yes Check outdoor board If defective replace it PC Board 803H E MCC 1571 1103 to 1403H E 1571 wiring conn
35. HWS 803H E to 1603H E HWS 1103H8 R E to 1603H8 R E The screws are loose in motor drive element Apply radiation Is there no loosening grease as needed Q200 300 400 of outdoor control board and rectifier of screws of motor drive element of outdoor Tighten screws Yes Yes Be sure place 0801 02 03 MCC 1571 back the insulation Radiation grease was not sheet between applied to backside of Did not forget to apply Q300 400 and radiation grease to 0200 DB01 DB02 ide of 0201 the heat sink or 0803 rear side o 7 No No 3 p Is not the ventilation flue of the heat sink blocked No Is not the fan blocked Short circuit etc Check outdoor control board If defective replace it gt Remove obstacles Deal with short circuit 114 Outdoor LED Check and Action procedure Check code indication No specific description indicates outdoor unit parts P15 Indication 1 Indication 2 gt Gas leakage detection No gas leakage No Correct defective portion Appropriate refrigerant amount Re charge refrigerant e Yes Pulse motor valve is normal NO Correct defective portion Replace defective parts No Service valve is fully opened Open fully
36. If defective replace it P29 lt Indication 1 gt lt Indication 2 gt OooooeQo Position detection circuit failure PC Board Check outdoor control board 803H E MCC 1571 If defective replace it 1103 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1596 118 Check code Outdoor LED Check and Action procedure indication No specific description indicates outdoor unit parts No code Indication 1 Indication 2 gt Discharge abnormality Compressor s loss of synchronism due to rapid load change etc Although the outdoor LED indicates abnormality the compressor restarts and no abnormality is confirmed This may occur due to the open phase of the compressor or wiring detach Ooeooe 000000 204 Indication 1 Indication 2 gt Discharge temperature sensor TD failure TD sensor connector No gt Correct TD sensor e CN603 is connected connection e Yes TD sensor resistance No characteristic is normal See the Replace TD sensor Yes characteristic table 101 Replace outdoor control board PC Board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 206 Indication 1 Indication 2 gt Heat exchanger temperature sensor TE failure TE sens
37. Related FC FC No Setting item Default Setting available range 1E Upper limit of hot water supply temperature 75 C 60 80 C 1F Lower limit of hot water supply temperature 40 C 40 60 C 20 Heat pump start temperature 38 C 20 45 C 21 Heat pump end temperature 45 C 40 50 24 Outside air correction start temperature for hot water supply 0 20 10 25 Outside air correction temperature for hot water supply 3 degree 0 15 degree 3 When the outside temperature is 0 C or below the boil up temperature will be higher that setting temperature in hot water supply mode 48 Item Operation flow and applicable data etc 8 2 3 Heating operation Operation Mode Operation only for ZONE1 gt and Control e This operation is enabled when DP_SW12_2 ZONE is set to OFF default Method The remote controller displays ZONE 1 settings and only the set temperature of __ZONE1__ can be changed Operation ZONE1 and ZONE2 2 temperatures control This operation is enabled when DP SW12 2 ZONE1 is set to OFF default and DP SW12 3 ZONE2 to ON The remote controller displays ZONE 1 ZONE2 settings and the set temperatures of zoNE1 ZONE2 can be changed To set temperatures for zoNE1 and zoNE2 __ use SELECT to switch between __ZONE1 __ and ZoNE2 j For 2 zone temperatures control the flow adjustment of MIXING VALVE controls the water temperature of Z
38. Single phase Type E HWS 1403H HWS 803H E HWS 1103H jun oip u y ees yun oJp u y 104 peog pejuud e sejeorpur 777777 eorues 10sseooe jeuondo ue Sojeoipul eui peusep eui e sejyeoipur peusep ejqnop eu Z Jequinu y sejeoipul episui Jequinu eu ejejd sejeorpul OVA 082 95 4 041 OvAOSZ vszesni 104 A Je souu u 9522 1oss iduuoO anjen Kem y _ 4502 Josuas Joopino Josuas uonong 10805 eBueuosiq 100 s nd ue 1 5 M 0 M Josuas aBueyoxeyeaH 3l Sl 0 Mdl M 04 04 4 dv 01 2 Josuas 11 31 Sl al Wo 0 0 aseud M919S QJe3 Ooo 2808 an Ajddns samo D du H A sl 1 1 yun 100pjno EIN eum w pj LOLNO PPP Jewod Bunejedo p 4 4 p 4 4 I 1 109N9 20910 anum 09N5 anum 7092 DS O 6 008 10815 yosgms MOISA 01910 LLGL 99W pieoq I I yndu i 2 I I 0 onym e
39. ZONE 1 2 2 Turn off the power supply of the hydro unit and the outdoor unit 3 Remove the front panel of the hydro unit and cover to the hydro unit electrical box 4 Set SW06 1 _2 ON 2 Procedure 1 Turn on the power supply of the hydro unit and the outdoor unit The small yellow LED located near the MCU should be flashing slowly 2 Press tactile switch SWO7 until the yellow LED turns off When the tactile switch SWO07 has been press for 5 sec flashing becomes quickly And when the switch will be pressed further 5 sec the yellow LED will turn off When the 5 07 is released the yellow LED start to flash quickly again 3 Turn off the power supply of the hydro unit and the outdoor unit 4 Set SW06 1 and 2to OFF 5 Replace the electrical box cover and front panel on the hydro unit BIO O LIA rubor T 2119 Sr tue Bl E __ Yellow LED MO R 10 10 2 4 How to reset remote controller function code It is not possible to reset the remote controller function code setting back to the default values 131 3 Trial Operation lt Procedure gt A trial operation is available with an actual operation in progress or stopped A trial operation is available in any of the hot water supply heating or cooling mode The compressor starts according to the trial operation frequency A trial operation automatically stops after 30 minutes at the longest if not st
40. b No Part name Procedure Remarks Interface board Control board MCC 1599 1 Detachment 1 Carry out the operation in 1 of 1 1 of 3 above 2 Remove lead wires and connectors to other components from the interface board control board 1 Indoor Outdoor connection terminal 5P White CN02 Power relay Red CN600 TS sensor White tube Gray CN601 TE sensor 2P Green tube Blue CN602 TO sensor 2P Yellow tube Black CN603 TD sensor 3P White tube Red CN604 TL sensor 2P White tube White CN608 Connection with noise filter board 2P White CN609 Case thermo 2P Blue CN690 High pressure switch 3P Green CN700 4 way coil 3P Yellow CN708 Magnet switch 3P Blue CN710 PMV coil 6P White CN802 Connection with Fan IPDU board 5P white Remove connectors after unlocking housing section 3 Remove the claws of the supports 4 positions fixing the board and remove the interface board Control board 2 Attachment 1 Mount the interface board Control board 2 Mount the individual components in the opposite procedure to that during detachment Interface board Control board Statue of control board when removed 184 No Part name Procedure Remarks 6 Fan IPDU board 1 Detachment MCC 1597 1 Carry out the operation in 1 of 1 1 of 3 above FAN IPDU board 2 Remove lead wires and
41. propeller fan Turn it right to loosen Propeller fan Fan motor connector upper Fan motor lead fixing rubber Projection R cycle side Fan motor lead fixing rubber Projection Refrigerant cycle side Fan motor 176 No Exchange parts name Work procedure Remarks Compressor Compressor lead 1 Remove defective compressor 1 Perform refrigerant gas recovery 2 Perform the step 1 1 and step 3 3 Remove the piping panel Front Remove screws of the piping panel Front and bottom board Hex 4 x 10 2 screws Remove screws of the piping panel Front and Back Hex 4 x 10 1 screws 4 Remove the piping panel Back Remove screws of the piping panel Back and bottom board Hex 4 x 10 2 screws 5 Remove the soundproofing board Upper Inward winding Outward winding 6 Remove the compressor terminal cover and then remove the compressor lead and compressor case thermostat 7 Remove the TD sensor fixed to the discharge piping 8 Remove the compressor lead Leave the ferrite core attached to the electric parts box Control board U CN200 Red V CN201 White W CN202 Black 9 Remove the outlet and suction pipes connected to the compressor by using a burner WARNING When removing the piping by burning the solder take enough care for a fire going off at the moment the wax melts if oil remains inside the pipi
42. turn it clockwise Turn it counter clockwise for tightening 3 Remove the propeller fan 4 Remove the connector for fan motor from the inverter control board 5 Remove the fan motor lead from the fan motor lead fixing rubber on the through hole of the parting board 6 Remove the fixed screws 4 for each while holding the fan motor so that it does not drop Notes in assembling fan motor e Tighten the flange nut in 4 95 Nem 50kgf cm To prevent the fan motor lead from contacting the propeller fan adjust the length of fan motor lead fixing rubber so that it does not slack Attach the fan motor lead fixing rubber to the parting board so that the projection part is placed on the refrigerant cycle side Make sure that the reactor body and the fan motor lead do not contact each other Be sure to bind the removed binding tie by using the commercially available binding tie NOTE Fix the fan motor lead to the motor base using a metal tie so that the fan motor lead does not contact the propeller fan Projection Refrigerant cycle side Fan motor 166 No Exchange parts name Work procedure Remarks Compressor Compressor lead Remove defective compressor 1 Perform refrigerant gas recovery 2 Perform the step 1 1 and step 2 and 3 3 Remove the piping panel Front Remove screws of the piping panel Front and bottom
43. 0 2 dia 12x17 U shape hole for dia 8 10 anchor bolt 3 got leg part 40 5 Hot water outlet connecting pipe 1 1 4 ine dia 15 88 Liquid line dia 9 52 59 5 Drain nipple lt Water inlet connecting pipe 1 1 4 18 Z Buidid jo ped samo 104 exeu 691 uonoeuuoo 526 jueueDujes o1ey 6 9 uonoeuuoo 006 19 gg x 02 eiou 8 a104 deus n 71 xz uoniod jo v jo loq Bununoy SZ V Jano ay 4 2 Outdoor uni HWS 803H E ge 9 Or fs s Buno uuoo Je S Joopjno pue 1 0 ZL a juejeBujes 21 lou B
44. 0 Motor output W 100 x 2 Refrigerant piping Connection method Flare connection Hydro unit Liquid 9 52 Gas 15 9 Outdoor unit Liquid 9 52 Gas 015 9 Maximum length m 30 Maximum chargeless length m 30 Maximum height difference m 30 Minimum length m 5 Refrigerant Refrigerant name R410A Charge amount kg 2 7 Water piping Pipe diameter R1 1 4 Maximum length m None Need the flow rate 17 5 2 min or more Maximum height difference m 7 Maximum working water pressure kPa 300 Operating temperature range Hydro unit C 5 32 Outdoor unit 20 43 Operating humidity range Hydro unit 15 85 Outdoor unit 15 100 Wiring connection Power wiring 3 wires including ground line Outdoor unit Connecting line 4 wires including ground line 1 Heating performance measurement conditions outside air temperature 7 C water supply temperature 30 C outlet temperature 35 C refrigerant piping length 7 5 m no height difference 2 Cooling performance measurement conditions outside air temperature 35 C water supply temperature 12 C outlet temperature 7 C refrigerant piping length 7 5 m no height difference 3 The remote controller should be shipped with the hydro unit Use two 1 5 meter wires to connect the hydro unit with the remote controller 4 The outdoor unit operating noise is measured at the point of 1m away from the unit back surface centre and 1m high from the ground The hyd
45. Antifreeze operation 1 Almost no or little water flow 1 TWO gt 20 C condition Dirt clogging in the water piping 2xTC TWO lt 12 C is detected system 2 TWOS 20 C condition The water piping is too long TC TWO lt 4 C is detected 2 Check the heater power circuit Heating2 A04 3 TWIs 10 C is detected during Power supply voltage breaker Hotwater2 94 defrosting power supply connection Cooling4 3 Set the presence of the backup heater 4 Check the water inlet water outlet and heat exchange TWI TWO TC sensors Piping antifreeze operation 1 Check the heater power circuit Activating the heater under the condition Power supply voltage breaker of TWO lt 4orTWI lt 4orTHO lt 4 does not power supply connection A05 achieve TWO TWI THO2 5 C after 30 2 Check the water inlet water outlet 1 95 min elapsed and heater outlet sensors TWI TWO THO 3 Disconnection of the backup heater 84 Diagnostic functional operation Number of Check PESE abnormalities Detailed code Operational cause Backup Automat Determination and action for item p present ic reset confirmation Pressure switch operation 1 Almost no or little water flow The pressure switch operates for 300 2 Defect of the flow switch A07 sec continuously during the heat pump x 3 On load operation under the above 1 96 operation conditions 4
46. C 6 TWO sensor Heater outlet water temperature 10 kQ 25 C 7 sensor THO sensor Floor inlet temperature sensor 10 kQ 25 C 8 _ sensor Pressure switch Operating pressure 4 15 MPa 0 0 3 9 MPa 10 Low pressure sensor Operating pressure 0 20 MPa Thermal protector auto Operating temperature 75 3 C DC42 V 11 _ 0 2A 42 Thermal protector single 8 _ Operating temperature 95 5 C AC250 operation V 16 13 Flow switch _ Operating flowing quantity 17 5 L min 14 Output board OP OP OP OP OP TCB PCIN3E 230 V 0 5 DC24 V 1A 15 Input board OP OP OP OP TCB PCM03E Contact input 16 Remote control Main HWS AMS11E 17 Remote control Sub OP OP OP OP HWS AMS11E Water 3 way valve terminal AC230 V 0 1A 18 _ 2Wire 3Wire SPST SPDT type mountable 19 Water 2 way valve terminal AC230 V 0 1 A 2Wire type mountable Mixing valve terminal AC230 V 0 1 A 20 _ 3Wire SPST SPDT type mountable 21 Circulating pump terminal AC230 V 1 0A 22 Booster heater terminal AC230 V 1 0A 23 Fuse AC 250 V 30A Quee Applied Optional accessory 27 6 2 Outdoor Unit HWS 803H E No Component name Type name Rating 1 Compressor DA220A2F 22L 2 Outdoor fan motor ICF 280 A60 1 Output 60 W 3 4 way valve coil VHV 01AP552B1 AC220 230 ful
47. E 25 24 23 22 2 d Heat pump operation range of 18 how water supply and heating Heating 16 thermostat 13 12 11 10 9 7 5 4 3 1 Heat pump operation 4 range of how water 3 supply and heating 4 Freeze determination Conditional operation range 5 is executed only once Start condition The compressor stops for less than 2 hours and E TD gt 40 C 11 12 13 14 15 16 17 18 19 Heater for heating 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Water temperature at inlet TWI 47 Item Operation flow and applicable data etc 8 2 The following shows the operation modes and controlled objects Operation Mode and Control Operation Heating and Hot water both operate Cooling and Hot water both operate Method mode Heat pump select Heat Pump select Heat pump select Heat pump select Hot n for hot water sopa for hot water Cooling Heating water 9 supply 9 only only supply Hot Hot Hot Hot y Heating water Heating water Cooling water Cooling water Controlled side supply side supply side supply side supply object side side side side Heat pump x x heater Hot water cylinder x x
48. ERE RR GR 15 4 Outside Drawing 06 060 ESAE es deka E 587515 cee 18 451 AydrO UNI 2 5 pa aS paskaq aqu hbase 18 427 Outdoor ilt Z aaa Fara duca e S a qued 19 4 3 Hot water cylinder eR ek 21 5 Wiring Diagram w 22 acces kuyu 22 5 2 Outdoor Unit Single phase Type lt lt lt eae 23 5 3 Outdoor Unit 3 phase 24 5 4 Hot Water Cylinder Unit lu ti eee hh 25 6 Key Electric Component 26 AVRO BT set a aa C ETT 26 6 2 0utdoor Unit ceed oe date b hg RE Pe dee Ode bee ee ed 28 6 3 Hot Water Cylinder uu 2 b RR RR dada uqa su YS 31 6 4 Water Heat Exchange Control Board 1 teas 32 6 5 Outdoor Control Board Single phase 33 6 6 Outdoor Unit Control phase type 35 MGC 1596 Compressor IPDU 4500244 9924450944 eee 35 MCC 1597 Fan 2 eee 36 MCC 1599 Interface u
49. HT9 E HM3 E HD6 E 201 37500802 CABINET FRONT 1 1 1 1 1 1 1 1 202 37500800 PLATE UP 1 1 2 1 1 1 1 1 203 37500801 PLATE SIDE 2 2 2 2 2 2 2 2 204 37500803 PLATE DN ASSY 1 1 1 1 1 1 1 1 A 205 37566705 REMOTE CONTROLLER 1 1 1 1 1 1 1 1 q EE 1 1 1 1 ae j 1 1 1 1 A 207 37541733 PUMP WATER ASSY 1 1 1 1 A 207 37541734 PUMP WATER ASSY 1 1 1 1 208 37542708 VESSEL EXPANSION 1 1 1 1 1 1 1 1 209 37547757 VALVE PRESSURE RELIEF 1 1 1 1 1 1 1 1 210 37519776 FASTENER QUICK 1 1 1 1 1 1 1 1 241 37547756 VALVE AIR VENT 1 1 1 1 1 1 1 1 212 37543706 METER PRESSURE 1 1 1 1 1 1 1 1 A 213 37545713 HEATER ASSY 1 1 A 213 37545714 HEATER ASSY 1 1 1 1 1 A 213 37545715 HEATER ASSY 1 A 214 43151273 SWITCH PRESSURE 1 1 1 1 1 1 1 1 A 215 37551736 SENSOR LOWPRESSURE 1 1 1 1 1 1 1 1 216 37551735 SWITCH FLOW 1 1 1 1 216 37551737 SWITCH FLOW 1 1 1 1 217 43032441 NIPPLE DRAIN 1 1 1 1 1 1 1 1 218 37595721 PACKING ASSY 1 1 1 1 1 1 1 1 219 37595720 RING ASSY 1 1 1 1 1 1 1 1 A 220 3026 018 PC BOARD ASSY 1 1 1 1 1 1 1 1 A 221 4316v338 PC BOARD ASSY 1 1 1 1 1 1 1 1 A 222 43152401 CONTACTOR MAGNETIC 2 3 3 3 2 3 3 3 A 223 43158187 TRANSFORMER 1 1 1 1 1 1 1 1 A 224 43154156 RELAY LY 1F 1 2 2 2 1 2 2 2 A 225 43054107 RELAY LY1F 1 1 1 1 1 1 1 1 A 226 43160297 FUSE 4 6 6 8 4 6 6 8 227 43060059 FUSE HOLDER 4 6 6 8 4 6 6 8 A 2
50. Item Details First shipment 52 External input contact logic must be used in with 0000 CLOSE to stop system 2 0000 CLOSE to stop FC61 0001 OPEN to stop system 2 0002 OPEN to stop system CLOSE to restart system Statics input 0003 CLOSE to stop system CLOSE again to restart system plus input 54 Logic of 3 way valve s action when powered Single 0000 Not reversed Hot water mode when powered 0000 Not reversed return only 0001 Reversed Heating when powered Hot water mode when powered 58 Night set back is activated 0000 Zone 1 amp 2 0000 Zone1 amp 2 0001 Zone 1 only 59 Interval of Mixing Valve control 0001 1 minute 0030 30 minutes 0004 4 minutes 5A P71 setting while in hot water supply mode 0000 While running HP only 0001 P1 continues running 58 Boiler running setting 0000 Boiler and HP 0000 Boiler and HP 0001 Boiler only 0002 Heater 61 Changing the target of stopping starting by external 0000 Hot water supply and heating 0000 Hot water signal or changing the TEMPO setting 0001 Keeping initial status 3 supply and heating 0002 Hot water supply only 0003 Heating only 0004 Not activate the heaters 0005 TEMPO2 Not activate the heaters inlet pump heat pump 62 Activate deactivate A02 error detection 0000 Activate 0000 Activate 0001 Deactivate 64 Continuously run or stop the P2 pump while cooling 0000 Conti
51. Lower limit of heating Zone2 limited temperature 20 20 37 C 49 Item Operation flow and applicable data etc 8 2 4 Cooling operation Operation Mode Pressing the ZONE1 2 button and then OPERATION MODE starts a cooling operation and Control Method 1 Operation start condition Pressing the ZONE1 2 button and then OPERATION MODE starts a cooling operation 2 Operation mode selection An operation mode is determined according to the temperature of TWI sensor Heat pump operation selection 1 When TWI 2 TSC F d zone in the right figure is met the heat pump operation is selected Thermostat status OFF When TWI TSC F e zone in the right figure is met the thermostat status OFF is selected 3 Operation stop condition When either of the following conditions is met the cooling operation stops The remote controller gives a stop instruction The operation is switched to heating 1 When the outside temperature is 10 C or below cooling does not start even if the TWI temperature falls into d zone Heat pump operation coolin TSC F 9 Temperature set with remote controller TSC F Diff 2k Thermostat off operation TSC is a cooling temperature set with the remote controller Related FC FC No Setting item Default Setting available range 02 Cooling mode availability 1 Not permit 0 Permitted 18 Upper limi
52. TCB PCINSE optional P C board is required Connect its connection cable to the CN208 terminal on the P C board in the hydro unit The circuit between the terminals 1 and 2 gets closed as an error detection signal is output The circuit between the terminals 3 and 4 gets closed as a boiler signal is output The RED lamp on the P C board lights up when the signals are output 11 Output signal control 2 TCB PCINSE optional P C board is required Connect its connection cable to the CN209 terminal on the P C board in the hydro unit lt FC67 0 Default gt The circuit between the terminals 1 and 2 is closed during defrosting The circuit between the terminal 3 and 4 is closed while the compressor is running TCB PCIN3E PJ20 CN208 Blue lt FC67 1 gt The circuit between the terminals 1 and 2 gets closed as an error is detected The circuit between the terminals 3 and 4 is closed during operation when the remote control is ON The RED lamp on the P C board lights up Terminal label when the signals are output Related FC FC No Setting item Default Setting value Changing the condition of optional 0 1 3 During defrosting 1 1 3 As error is detected 67 output For the optional P C board 2 3 While compressor is running 2 3 During operation connected to CN209 68 Item Operation flow and applicable data etc 12 Q H characterist
53. WC WA WD 29 C lt lt 38 C Ws WB W7 we Hie W9 WC 15 lt TO lt 29 C W4 ws W6 WA W8 WC 5 lt TO lt 15 w3 W6 w5 ws W7 WA 0 C lt TO lt 5 C W2 W4 WA W6 W5 ws 4 C lt TO lt 0 C W2 W3 W3 W5 W4 W6 TO lt 4 C W2 W1 W4 W2 W6 TO error W1 WC W1 WC W2 WD HWS 1103H8 R E 1403H8 R E 1603H8 R E Temperature range Less than 20 Hz 20 Hz or mora 1o less 45 Hz or more Minimum Maximum Minimum Maximum Minimum Maximum 38 C lt TO W6 WC ws WD WA WD 29 C TO lt 38 C W5 WB W7 wp le 3 9 wc 15 lt 29 C W4 ws W6 WA ws WC 5 CsTO 15 C w3 W6 w5 ws W7 WA 0 C lt TO lt 5 W2 W4 WA W6 W5 w8 4 C lt TO lt 0 C W2 W3 W3 W5 W4 W6 lt 4 C w1 W2 W1 W4 W2 W6 TO error W1 WC W1 wD W2 WD 75 Item Operation flow and applicable data etc 8 4 Outdoor unit control 5 2 Hot water supply and heating fan control 1 The TE sensor TO sensor and operation frequency control the outdoor fan The minimum W1 to the maximum are controlled according to the table below 2 For 3 minutes after the start the maximum fan tap for each zone that is shown in the following table is fixed After that the fan is controlled according to the TE sensor temperature 3 If TE gt 24 C continues for 5 minutes the operation stops No error code is displayed for this the status is the same as the usual thermostat off The operation restarts
54. YES 15 service valve fully opened YES High pressure SW system error Power supply error Vdc High pressure protective operation Case thermostat operation Doesn t high pressure switch operate YES Is circuit wiring normal Wiring check Correct YES Parts check Defective Replace Open service valve fully Reset the power supply and then do a trial operation according to the season 2 Short circuit Cooling operation Does cooling outdoor fan normally operate YES lt Cooling operation C Heating operation Is there no fan breakage or coming off Check Comp IPDU PC board Defective Replace YES Repair defective position Is there any element which blocks heat exchanger of the outdoor unit 1 Clogging of heat exchanger Connection of connectors Fan IPDU Fan motor Wiring Elimination of blocking element Overcharge of refrigerant Clogging Pipe breakage Does the heati Is there any el 3 Short circui ing indoor fan normally operate lement which blocks indoor heat exchanger 1 Filter clogging 2 Clogging of heat exchanger Heating operation Elimination of blocking element Abnormal overload Are connections of connectors capacitors
55. after heating had started the water temperature setting is turned up 1 degree and the same action will be repeated every 30 minutes until the thermostat reaches the assigned temperature The backup heater and booster heater are controlled in the same way as in the normal HP operation When the heating thermostat reaches the assigned temperature the circuit between 1 and 3 is open the heat pump shifts to the thermostat off operation During the operation the water temperature setting is turned down by 1 degree every 30 minutes The backup heater and booster heater are tuned off as the heat pump shifts to the thermostat off operation 7 4 Cooling thermostat operation When the cooling thermostat does not reach the assigned temperature the circuit between 2 and 3 is open cooling starts under the setting that water temperature fro cooling is 20 C If the cooling thermostat has not reached the assigned temperature 30 minutes after cooling had started the water temperature setting is turned down 1 degree and the same action will be repeated every 30 minutes until the thermostat reaches the assigned temperature When the cooling thermostat reaches the assigned temperature the circuit between 2 and 3 is closed operation shifts to the thermostat off operation During the operation the water temperature setting is turned up by 1 degree every 30 minutes Room thermostat Correction control Heating operation Cooling
56. air temperature T3 temperature 10 C 0 15 C 2C Set temperature when out side air temperature is 20 C 40 C 20 55 C 2D Set temperature when out side air temperature is 10 C T1 35 C 20 55 C 2E Set temperature when out side air temperature is 0 C 30 C 20 55 C 2F Set temperature when out side air temperature is 10 C T3 25 C 20 55 C 30 Set temperature when out side air temperature is 20 C 20 C 20 55 C 31 Auto Curve ratio of ZONE2 80 0 100 13 Night time low noise operation A night time low noise operation reduces operation frequency and the number of outdoor fan rotations for a certain period during night time as noise control for urban operation Maximum operation frequency 40 2 Hz Hot water supply Heating Cooling Maximum fan tap 460 rpm 803H E 500 rpm 1103H E 1403H E 1103H8 R E 1403H8 R E 1603H8 R E The night time low noise operation is enabled disabled by changing the remote controller FC_09 lt How to set gt Refer to 11 Night time Low noise Setting on page 139 1 Press the TEMP D and TEST 4 button at the same time for 4 seconds longer Shifted to the night time low noise setting mode The Code No field displays 09 and the DATA 0000 and 48 being displayed blink 2 Press TIME Y A to set enable 1 or disable 0 Pressing gt change DATA and display to be lit and the setting is confirmed When 1 as enable is set the night
57. amp boiler operation 2 Operation mode is not changed with the outside temperature when an external signal to control the limit of heat pump limit operation see 3 9 is input 7 3 Boiler output limit control The boiler power output is limited depending on the settings of boiler position DPSWO2 1 and FC62 m FC62 n Boiler position I Temperature range in which the boiler signal is output DPSW02_1 A02 error Detected temperature of TWI TWO or THO 0 0 TWI or TWO or THO lt 58 C After 3 way valve heating side 1 TWI or TWO or THO lt 58 C 0 0 TWI or TWO or THO lt 70 C Before 3 way valve 1 No limit 1 7 4 02 error detection while the boiler is running 02 error detection is deactivated depending on the settings of FC62 and whether the boiler is installed or not DPSW13_2 Boiler is installed or not Detected temperare oF TWh THO or error detection THO 0 0 TWI or TWO or THO2 70 C Beep Not installed 1 TWI or TWO or gt 70 C Beep 1 0 TWI or TWO THO2 70 C Beep Installed 1 No error detection 1 No beep 1 Ifa user runs the boiler under the condition that no limit has been set and hot water from the boiler has damaged parts inside of the hydro unit the user is fully responsible for the damage Related FC FC No Setting item Default Variable range 23 Boiler heat p
58. and fan motor normal Repair defective position Clogging by refrigerant overcharge Pipe breakage Abnormal overload Check indoor P C board Defective Replace Are characteristics NO of TC and TCJ sensor resistance value normal Replace TC or TCJ sensor 113 Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts lt Indication 1 gt lt Indication 2 gt Case thermostat operation See H04 details Indication 1 Indication 2 gt Power source failure Vdc See P05 details e Indication 1 Indication 2 Hi pressure protection operation See P20 details e e P05 Indication 1 Indication 2 gt Power source failure voltage defective open phase Power voltage abnormal drops or rise ge AC220 230 V 10 single phase type Check electric work AC380 400 V 10 3 phase type Check outdoor control board 571 1103 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1596 P07 Indication 1 Indication 2 gt Heat sink overheat failure O e 6e o o o
59. and safety valve Yes TWI TWO THO No Replace TWI TWO sensor characteristics Refer to Charasteristic table on page 122 and THO sensors are correct Yes Replace water heat exchange control board 95 Yes Remove sufficiently excess air Excess air noise comes from inside pump Secure water circulation amount Waste stuck inside water circuit 12 M or longer water pipe to a branch or 5 or less branches Chattering noise comes from flow switch Circulation flow shortage No Operation at high outside ai emperature and at 50 C or highe set temperature Yes No WO sensor is attached to pipe No Yes Pressure switch No is normal Yes Replace water heat exchange control board 96 A07 Error Pressure switch operation Hot water supply Heating operation Replace flow switch Remove waste Place buffer tank and the second pump Lower set temperature Attach TWO sensor Replace pressure switch No Flow switch is normal Yes Secure water circulation amount noise comes from inside pump Chattering noise comes from flow switch Circulation flow shortage No operation at low outside temperature and at 15 C or lower set temperature Yes Cooling overload operation No Defrosting akes 15 mins or longer Yes Frost remains No No Lo pressure sens
60. connectors to other components from the Fan IPDU board CN500 Connection between reactor and noise filter board 7P Red CN502 Compressor IPDU board 3P White CN504 Interface board 5P Blue CN505 Compressor IPDU board 5P Red CN602 Noise filter board 2P Black CN700 Outdoors lower fan motor 3P Blue CN750 Outdoors upper fan motor 3P White Connectors should be removed after unlocking the housing section 3 Remove screw fixing the earth wire 4 Remove the claw of the support 4 positions fixing the board and the screw 5 positions fixing the heat sink and then remove the Fan IPDU board 2 Attachment 1 Mount Fan IPDU board 2 Mount components in the opposite method to that when removing Screw Support 2 positions Support 2 positions Heat sink State of Fan IPDU board when removed 185 No Part name Procedure Remarks Noise filter board MCC 1600 Using the hook it is possible to temporarily suspend the inverter assembly front 1 Detachment 1 Perform the operation in 1 of 1 1 of 4 1 2 of 5 and 1 2 of 6 2 Remove the screws 3 positions fixing the inverter assembly front Then slide the inverter assembly front upwardly and remove 3 Remove the lead wires connector to other components from the noise filter board CN05 Power supply terminal block red CNO6 Power supply terminal block White CNO7 Power suppl
61. contact with the propeller fan Attach the fan motor lead fixed rubber to the partition board so that the projection is set at the refrigerating cycle side Be sure so that the rector body does not contact with the fan motor lead Be sure to bundle the removed bundling band with the bundling band on the market Necessarily attach the ferrite core of the lower fan motor again Fix it with bundling band on the market REQUIREMENT Be sure to fix the fan motor lead to the motor base using the metal band of the motor base so that the fan motor lead does not come to contact with the propeller fan Propeller fan A L oosened by turningyclockwise 311111 111111 gt D je Connector of upper fan motor Projection Refrigerating cycle side Fan motor lead fixed rubber Fan motor lead fixed rubber a Projection Refrigerating cycle side 188 No Part name Procedure Remarks 10 Compressor Compressor lead 1 Removal of defective compressor 1 Recover the refrigerant gas 2 Carry out work of item 1 of 1 1 of 3 and 1 of 7 3 Remove the piping panel Front Remove the piping panel Front and screws ofthe bottom plate Hexagonal screw O4 x 10 2 pcs Remove screw of the piping panel Front and the piping panel Rear Hexagonal screw 24 x 10 1 pc 4 Remove the piping panel Rear Remove the piping panel Rear and
62. continuously detected for 30 seconds or longer After the stop the unit restarts 2 Determination cancellation condition Atthe next time of defrosting the start condition is not met 3 Error display If freeze determination cancellation condition is not met A04 error is displayed 70 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 14 4 Piping freeze prevention control 4 When the value of Ps sensor is low freeze prevention is activated regardless of a heat pump operation mode 1 Determination condition Low pressure sensor detects PS lt 0 2 MPa and 90 seconds passes defrosting and cooling During a defrosting operation for cooling and heating or hot water supply Low pressure sensor detects PS lt 0 2 MPa and 10 minutes passes heating and hot water supply operation 2 Determination cancellation condition After a restart the start condition is not met for 30 minutes At the next time of defrosting the start condition is not met Defrosting operation for heating or hot water supply 3 Error display If freeze determination cancellation condition is not met A08 error is displayed 15 High return water protect control The hydro unit protects against high return water which made by separate boiler system TWI TWO THO A02 error detect 70 Diff 2K Heat pump stop 50 Heat pump normal operation When A02 error appeared the built in pump will s
63. d The pump immediately starts See display C 3 Pressing the ZONE1 2 button again stops the cooling operation E TEMP SELECT C gt G ZONE 1 2 HOT WATER o WG 9 e z OPERATE MODE SET CL TEST FROST PROTECTION em ANTI BACTERIA OO es Ce 4 Press TEST 2 on the remote controller to exit the trial 1 4 3 2 4 Auto Curve Setting FC code setting can make flexible Auto Curve settings lt Preparation gt 1 Press the TEST 4 and SET and SELECT buttons at the same time for 4 seconds or longer See display gt Make sure that no operation is in progress 2 Specify an item code FC from among 29 to 2F with the TEMP v button for temperature setting 3 Set data with the TIME button for timer setting 4 Press the SET button If lights the status is confirmed 5 Repeat 2through 4 for each item UNITNOS Z cnn 24 LIL I TEMP SELECT C a P SCHEDULE NIGHT ZONE 1 2 D an Sj TIME DAY STEP OPERATE MODE 3 qp OO Gz SET CL TEST FROSTPROTECTION AUTO TEMP Lee Ce HOT WATER 0 HOT WATER BOOST o8 ANTI BACTERIA 6 Pressing the TEST 4 button moves the unit to the normal 4 6 1 stop state FC Item Details Fist shipment 29 Outside air temperature T1 temperature
64. drive Backup heater 2 drive connector connector connector CN606 CN604 CN605 32 6 5 Outdoor Control Board Single phase Type HWS 803H E Reactor connection connector Electrolytic capacitors Fan motor output Compressor output terminals Power circuit protection 4 CN300 White CN202 fuse F100 250 V 3 15A plastic case Case thermostat connector CN609 Blue 4 way valve connector CN701 White Compressor ON output connector CN704 Blue Heater output connector CN703 Grey External input connector CN610 Yellow Special operation switches SW801 SW804 Display change over switches Temperature sensor connectors TL CN604 White TD CN603 White TO CN602 Yellow TE CN601 White TS CN600 White Alive error display LEDs 0800 2 wa D805 Green 4 way valve protection Power circuit protection PMV connector fuse fuse CN710 White F700 250 V 3 15 A F01 250V 25A plastic case Initialization switch Connecting cable connector Power supply connection lead dino CNO4 White wires Hydro outdoor communication signal LEDs Vea PO2 White Earth lead wire D503 Green Outdoor gt Connecting cable protection fuse D502 Amber Hydro gt Outdoor 250 V 10 A P09 Black 33 HWS 1103H E 1403H E Fan motor output Lower Fan motor output Upper Compressor output terminals CN300 White CN400 White CN202 Electrolytic capacitors CN201 CN200 Case
65. failure TE sensor connector CN601 is connected Correct TE sensor connection TE sensor resistance characteristic is normal Yes Replace water heat exchange control board 207 Error TL sensor failure Replace TE sensor TL sensor connector CN604 is connected Correct TL sensor connection TL sensor resistance characteristic is normal Replace TL sensor Refer to Charasteristic table on page 122 Replace water heat exchange control board 102 208 Error TO sensor failure TO sensor connector CN602 is connected Correct TO sensor connection TO sensor resistance characteristic is normal Replace TO sensor Refer to Charasteristic table on page 122 Replace water heat exchange control board F10 Error TWI sensor failure TWI sensor connector CN205 is connected Correct TWI sensor connection TWI sensor characteristic is normal Replace TWI sensor Refer to Charasteristic table on page 122 Yes Replace water heat exchange control board F11 Error TWO sensor failure TWO sensor connector CN205 is connected Correct TWO sensor connection WO sensor characteristic is normal Replace TWO sensor Refer to Charasteristic table on page 122 Replace water heat exchange control board 103 F14 Error TTW senso
66. failure See P15 details Indication 1 Indication 2 gt Oooeeoo 4 way valve invert failure See P19 details lt Indication 1 gt lt Indication 2 gt Abnormal outlet temperature No gas leakage Appropriate refrigerant amount Yes Puse motor valve is normal Yes abnormal over loaded p CN603 connector is normal TD sensor resistance is normal Yes Check outdoor control board If defective replace it Correct defective portion Re charge refrigerant Correct defective portion Replace defective parts Deal with or remove causes Correct connector Replace sensor No No Yes No PC Board 803H E MCC 1571 1103 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1596 112 Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts P04 Any of the following abnormality may occur 1 High pressure sensor activated 2 Power source failure Vdc 3 Hi pressure protection operation 4 Case thermostat operation Seeing the LED on the outside board can determine which abnormality occurs Display 1 gt Display 2 gt ox X Xox X Are parts of NO high pressure switch normal
67. heater The hot water heat pump operation when selected ignores the hot water supply start condition TTW 38 C and forcibly performs a hot water operation During ANTI BACTERIA operation Forcible hot water operation at 75 C the hot water set temperature display is not changed If it is changed from the remote controller the normal hot water set temperature will be changed HOT WATER button set to ON ANTI BACTERIA button set to ON Anti bacteria start time 75 C hot water supply operation 75 C hot water supply operation for 30 minutes Usual hot water supply operation Set temperature 40 C to 75 C A Caution During a 75 C hot water supply operation with ANTI BACTERIA the remote controller does not display 75 C Be careful not to burn yourself Output water may be hotter than that displayed on the remote controller Related FC FC No Setting item Default Setting available range Anti bacteria temperature 75 C 65 80 C 0B Anti bacteria holding time 30 min 0 60 min Remote control Anti bacteria start time 22 00 0 00 22 00 Remote control Anti bacteria operation cycle 7 days Every day to 10 days OD 55 Item Operation flow and applicable data etc 8 2 10 Night set back NIGHT SET BACK operation Operation Mode A night set back operation performs heating at 5K lower and cooling at 5K higher temperatures aga
68. heater O Possible x Not possible 2 Hot water supply operation 1 Operation start condition When the HOT WATER remote controller button is pressed and the following operation start condition is met the operation starts TTW lt 38 C is detected 2 Operation mode determination An operation mode is determined according to the temperature of TTW sensor Heat pump operation selection 1 2 When TTW lt 38 C a zone in the right figure is met the heat pump operation is selected Heater operation selection When 45 TTW lt TSC_H b zone in the right figure is met the heater operation is selected Thermostat status OFF selection When TTW 2 TSC_H is met the thermostat status OFF is selected TTW sensor Hot water cylinder unit TTW TSC_H Temperature set with Thermostat OFF Zone 3 Operation stop remote controller The operation stops in the following cases The remote controller gives a stop instruction TTW2 TSC_His met HP_H OFF 45 C HP_H ON 38 C Heat pump operation 1 When the outside temperature is 20 C or below the heater operation is selected even if the TTW temperature falls into a zone 2 When Hot water supply and Heating are simultaneously in operation the heater operation may be selected depending on the outside air temperature a Zone Hiis hot water temperature set with remote controller
69. is no regular communication 2 Defect in the remote control from the remote control for 3 min or when no remote control is equipped Regular communication error 1 Check the serial circuit between hydro unit and outdoor unit Miswiring of the crossover between E04 Md 1 101 The serial signal cannot be received the water heat exchanger and the from outdoor outdoor unit TC sensor error 1 Check the resistance value and 203 Open or short circuit in the heat connection of the heat exchange 1 101 exchange temperature sensor temperature sensor TC TWI sensor error 1 Check the resistance value and F10 Open or short circuit in the water inlet connection of the water inlet 1 103 temperature sensor temperature sensor TWI TWO sensor error 1 Check the resistance value and F11 Open or short circuit in the water outlet x connection of the water outlet 1 103 temperature sensor temperature sensor TWO TTW sensor error 1 Check the resistance value and F14 Open or short circuit in the hot water x connection of the hot water cylinder 1 104 cylinder sensor sensor TTW 85 Diagnostic functional operation Number of Check PESE abnormalities Detailed code Operational cause Backup Automat Determination and action for item p present ic reset confirmation TFI sensor error 1 Check the resistance value and F17 Open or short circuit in the floo
70. off r SENE ENIM 4 way ONT J zs LLL y OFF r eui ne ech eee mie RENE i 500pulse LI 200pulse i ar cea ecu Outdoor PMV Opulse 47 4 4 D epe 05 305 405 Os 105 305 40s 78 Item Operation flow and applicable data etc 8 4 Outdoor unit control 7 Winding heating control 1 This control energizes the inactive compressor instead of the case heater to warm the compressor The purpose is to prevent the refrigerant from staying inside the compressor 2 After the unit is installed failure to perform energization for the given time period may cause the compressor to fail Also when starting an operation long after the power left off first energize the compressor before starting the operation in the same way as a trial run 3 Energization is determined by the TD sensor and TO sensor If the TO sensor fails the TE sensor automatically takes over the operation Determine if the TO sensor has failed check the LED s on the outdoor unit PCB 4 If TD is 30 C or higher the energization stops Usual Not energized lEnergization 4 sec i condition i TD lt 30 C i40 C Intermittently energized 10 mins ON 5 mins OFF Output equal to 40W Continuously energized Output equal to 40W See s eee when TO sensor fails TE 20 C Energization 4 c condition
71. on the main remote control 6 2 Room temperature control settings Function code setting FC_40 1 Setting of DPSW on the remote control DP SWO01 02 ON DP SWO03 04 OFF Connecting terminal on the remote controller DP SW01 02 ON DP SW03 04 OFF 63 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 6 3 Control method The water temperature setting at starting operation is 40 C FC_9D at heating and 20 C FC_96 at cooling The target water outlet temperature is adjusted by 1deg every 30 minutes based on the TSC rc the temperature setting on the remote control and the room temperature temperature indicated on the remote control T rc The adjustable range of water temperature is set with FC18 1B The temperature set on the remote control and actual room temperature may differ depending on the place of the remote control or room space In that case adjust temperature detection using 2 for heating and for cooling on the remote control Heating operation Cooling operation Tre Thermo off iP zone 4 5 _ TSC ro a Azone 7 TSC rc g Zone i TSC rc B 2 20 TSC rc a B zone ONES zone Y TSC_rc y i a B 1 0 prenne A zone D zone 5 0 5 How to shift up down the temperature by remote controller FC02 03 Setting temperature remote controller is higher than room temperature example
72. operation Setting is corrected Thermo on Thermo off CLOSE upward The water temperature setting is turned The water temperature setting is turned P up by 1 degree every 30 minutes up by 1 degree every 30 minutes Setting is corrected of Thermo on OPEN g The water temperature setting is turned The water temperature setting is turned downward down by 1 degree every 30 minutes down by 1 degree every 30 minutes 65 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 8 Control of force stop and restart The unit can be stopped and restarted with external input By setting FC52 and FC61 you can set an operation mode to run stop or can run stop the unit in the mode assigned on the remote control TCB PCMOSE optional P C board is required Connect its connection cable to TCB PCINSE PJ20 CN210 port on the PC board of the hydro mm unit Terminal label 8 1 Setting the control method Select a control method by setting FC52 FC52 0 Stops ESTIA as the circuit between the terminals 1 and 3 is closed Default FC52 1 Stops ESTIA as the circuit between the terminals 1 and 3 is opened e FC52 24 Starts ESTIA as the circuit between the terminals 1 and 3 is closed Stops ESTIA as the circuit between the terminals 1 and 3 is closed e FC52 3 Starts Stops ESTIA as the circuit between the terminals 1 and 3 is received closed plu
73. other conditions 13 Type of flux Non corrosive flux It is generally a compound of borax and boric acid It is effective when brazing temperature is higher than 800 C Active solvent Most of this type of flux is generally used for silver brazing It features the increase of oxide film while moving the capability to the borax boric acid compound to add compounds such as potassium fluoride potassium chloride or sodium fluoride Piping materials for brazing and brazing metal flux Piping material Brazing metal to be Flux to be used Copper Copper Phosphor copper Do not use Copper Iron Silver Paste flux Iron Iron Silver Vapour flux NOTE Do not enter flux into the refrigerant cycle If chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Because of this use a flux that does not contain chlorine When adding water to the flux use water that does not contains chlorine e g distilled water or ion exchange water Remove the flux after brazing 2 5 3 Brazing Brazing must be performed by a person qualified and experienced with theoretical knowledge since the operation requires sophisticated techniques Perform brazing while flowing dry nitrogen gas N2 to prevent oxide film from forming during brazing application to the inside of the pipe NOTE Never use gas other than nitrogen gas Brazing method to prevent oxidation
74. positioning standard Pass through sound insulation plate rolling out between Suction pipe and header pipe Put the end of sound insulation plate rolling out on the other en at this position Discharge pipe Pass through sound insulation plate rolling in between compressor and discharge pipe suction pipe and then put the end of sound insulation plate on the other end at this position There should be no clearance between sound insulation plate upper and sound insulation plate rolling out Sound insulation plate upper Cultural rivet Sound insulation plate rolling out Insert one side 190 No Part name Procedure Remarks 11 PMV coil 1 Detachment 1 Carry out work of item 1 of 1 Concave part PMV main unit 2 Turn the coil while pulling upward and then remove the coil from the PMV main unit 2 Attachment 1 Surely match the positioning projection of the coil with the concave part of PMV main unit and then fix it Positioning projection PMV coil 12 Fan guard 1 Detachment 1 Carry out works of item 1 of 1 and 1 of 2 Fan guard Bell mouth Discharge port cabinet REQUIREMENT To prevent scratch on the product carry out the work on cardboard cloth etc 2 Remove the discharge port cabinet and then put on it so that the fan guard side directs downward 3 Remove the hooking claws 8 positions of the fan guard 2 Attachment 1 Push the hooking cl
75. screws of the bottom plate Hexagonal screw O4 x 10 2 pcs 5 Remove the sound insulation plate Upper rolling in rolling out 6 Remove the terminal cover of the compressor and then remove the compressor lead and the compressor case thermo 7 Remove TD sensor which is fixed to the discharge pipe 8 Remove the compressor lead Control P C board U CN211 Red V CN212 White W CN213 Black 9 Remove ferrite core from compressor lead 10 Using a burner remove the discharge pipe and the suction pipe which are connected to the compressor WARNING In case of removing the piping by broiling the welded part with a burner if there is oil in the pipe it may burst into flames at the moment that wax melted so take sufficient care CAUTION Note so that the flame does not catch the 4 way valve and PMV A malfunction may be caused 11 Pull off the discharge pipe and the suction pipe of the refrigerating cycle upward 12 Remove the compressor nuts which fix the compressor to the bottom plate 3 pcs 13 Pull out the compressor toward you A CAUTION As weight of the compressor is 20kg or more handle it by 2 workers k Bundling band For thermal proof 189 No Part name Procedure Remarks 10 Compressor 2 Mounting of compressor Compressor lead 1 Mount the compressor in the reverse procedure Wrap the ferrite core with the compressor lead wire for 1 time C
76. service valve Yes ee Piping collapse Repair or replace pipe Temperature sensor check Discharge sensor CN603 Connector Suction sensor CN600 p PC Board Check outdoor control board If defective replace it 803H E MCC 1571 1103H to 1403H E MCC 1571 1103H to 1603H8 R E MCC 1596 115 Check code Outdoor LED Check and Action procedure indication No specific description indicates outdoor unit parts P19 Indication 1 lt Indication 2 gt 4 way valve invert failure Oooeeoo 4 way valve operates normally Check piping temperature at the time of cooling heating operation Yes Temperature sensor check TE sensor CN601 TS sensor CN600 Hydro TWO sensor If defective repair or replace it Replace 4 way coil 4 way valve coil resistance is 1 3 to 1 6 kQ Check outdoor board If defective replace it Outdoor control board operation check See below OK 4 way valve check If defective replace it Outdoor control board operation check direction Self hold valve 803 to 1403H E only 1 With the dip switch SW804 set as in the table below pressing SW801 for approx 1 second can check the operation o
77. step to be set 4 Specify set time operation mode and set temperature Time setting Use the TIME button to set time Operation mode Press HOT E forhot water supply ZONE1 2 for heating or ZONE1 2 for cooling and then press OPERATE MODE 37 Pressing HOT C orZONE12 qum again displays indicating stop When an operation mode is set 4 appears for heating pou for cooling or for hot water supply and also the temperature set last time is displayed Temperature setting Use the SELECT aum button to select a mode gt 4 and set temperature with the TEMP CY Ca button Press the SET C2 button to confirm the set time operation mode and set temperature to be set 5 Repeat 2through 4 If only one schedule is set the setting applies to all the time period after the set time Two schedule settings are recommended 6 Pressing the SCHEDULE button ends the schedule setting Ending the schedule setting blinks the light Pressing the SET button during the 5 second blinking changes to lit and the schedule operation starts 7 How to copy program Select C in 3 and press the SET C button Copy source is determined Press the DAY button to move Y to the day of copy target Pressing the SET C button overwrites the program setting to the copy target To set more repeat step 2 through 4 Pressing the SCHEDULE button ends the schedu
78. temperature of 0020 20 C 0055 55 C 0040 40 C 2D Set temperature B with outside air temperature of T1 0020 20 C 0055 55 C 0035 35 C 2E Set temperature C with outside air temperature of 0 C 0020 20 C 0055 55 C 0030 30 C 2F Set temperature D with outside air temperature of T3 0020 20 C 0055 55 C 0025 25 C 30 Set temperature E with outside air temperature of 20 C 0020 20 C 0055 55 C 0020 20 C 31 Zone2 ratio with Zone1 as Auto 0000 0 0100 100 0080 80 33 Hydro unit backup heater down time 0000 5 min 0001 10 min 0001 10 min 0002 15 min 0003 20 min 34 Hydro unit backup heater up time 0000 10 min 0001 20 min 0000 10 min 0002 30 min 0003 40 min Frost protection function Invalid Valid 0000 Invalid 0001 Valid 0001 Invalid 3B Frost protection set temperature 0010 10 C 0020 20 C 0015 15 C 3C 2 way valve operation logical reverse control 0000 Energised during cooling 0000 Activate during 0001 Not energised during cooling cooling Heating HP Boiler priority switching when using boiler 0000 Priority on HP 0001 Priority on boiler 0000 Priority on HP 40 Activate deactivate room temperature control 0000 Deactivate 0001 Activate 0000 Deactivate 1 FC_01 is needed for PCB replacement or function code reset procedure has been completed 2 System restart with remote controller 3 Restart in the mode when stopping 129 FC
79. temperature with FC_09 if necessary HOT WATER button set to ON HOT WATER BOOST button set to ON Heating side Switches to Hot water supply operation Current heat pump operation Hot water supply side 75 hot water operation FC_09 60 minutes operating time FC_08 Usual operation Related FC FC No Setting item Default Setting available range 09 HOT WATER BOOST set temperature 75 C 40 80 C 08 HOT WATER BOOST operation time 60 min 30 180 min Every 10 min 54 Item Operation flow and applicable data etc 8 2 9 Anti bacteria ANTI BACTERIA operation Operation Mode An anti bacteria operation regularly performs a Hot water supply operation with the set temperature TSC_H 75 C can and Control be set with FC 0A Method 1 How to operate Pressing the HOT WATER button and then the remote controller ANTI BACTERIA button changes the setting to 75 C at the set cycle and time both can be set with the remote controller FC to start ANTI BACTERIA operation The first anti bacteria operation starts when press the ANTI BACTERIA button and starting time come When the set temperature 75 C is reached after the ANTI BACTERIA operation started the set temperature remains another 30 minutes can be set with OB The priority zone determined by the outside temperature selects an operation Hot water heat pump or hot water supply
80. thermostat connector CN609 Blue Power circuit protection fuse F100 250V 3 15A plastic case 4 way valve connector CN701 White Compressor ON output connector CN704 Blue Heator output connector CN703 Grey External input connector 1 CN610 Yellow Special operation switches N aN SW801 51 804 RY Display change over Wee 5 switches SW800 z sw803 Iz Temperature sensor connectors TL CN604 White TD CN603 White TO CN602 Yellow TE CN601 White TS CN600 White E Alive abnormal display LEDs D800 804 Yellow D805 Green Power supply connection lead wires PMV connector P01 Red CN710 White PO2 White 4 way valve protection fuse P03 Black Initialization switch F700 250V 3 15A SW802 plastic case Earth lead wire Connecting cable connector Hydro outdoor communication CN04 White signal LEDs D503 Green Outdoor gt Hydro Connecting cable protection fuse 0502 Amber Hydro gt Outdoor J F03 250V 10A Power supply protection fuses 201 250V 25A 34 6 6 Outdoor Unit Control 3 phase type HWS 1103H8 R E 1403H8 R E 1603H8 R E MCC 1596 Compressor IPDU CN851 Red CN101 White Connector for MCC 1597 CN505 Connector for MCC 1597 CN502 man DES qe UE Emi Tien CN13 Black Terminal for power relay 202 Electric circuit protective fuse 500V 31 5A CN12 White Termi
81. water supply operation 0 Interlocked with HP 1 Always energized Equal to DPSW10 1 64 Control of the pump P2 during in cooling operation 0 Always ON 1 Always stopped 65 Control of the pump P1 while using the room temperature control 0 Always ON 1 Stopped when the or room temperature thermostat thermostat is OFF 9E Turn off the P1 when TO sensor detect over than this temperature 0 20 C 10 30 C 62 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 4 Control by the flow switch Whether water flows or not is judged with the ON OFF of the flow switch Model Determined that water flows when Determined that water does not flow when HWS 803 E 13L or more water flows per minute Water less than 13L flows per minute HWS 1403 E 18L or more water flows per minute Water less than 18L flows per minute Without water flow determination from the flow switch after the hot water supply operation heating operation or cooling operation The HP backup heater and booster heater are not energized Similarly The A01 error indication flashes if the flow switch judged that water does not flow The specification of the flow switch is the same in 803 E and 1403 E The flow setting differs due to the specification of piping in the hydro unit 5 Mixing Valve control 2 temperature heating control To set different radiator unit supply temperatur
82. with remote controller 3 Restart in the mode when stopping 130 Remote controller function code table FC Item Details Fist shipment 02 Temperature correction by the room temperature sensor 10K 10K By 1K steps 1 1K correction heating 03 Temperature correction by the room temperature sensor 10K 10K By 1K steps 1 1K correction cooling 05 24H 12H display switching 0 24H display 1 12H AM PM display 0 24H display 09 Night time low noise mode 0 Invalid 1 Valid 0 Invalid Night time low noise start time 0 23 0 00 to 23 00 22 22 00 OB Night time low noise end time 0 23 0 00 to 23 00 06 06 00 OC Anti bacteria start time 0 23 0 00 to 23 00 22 22 00 OD Anti bacteria start cycle 1 10 Every day to 10 day cycle 07 7 day cycle OE Starting time of Night set back 0 23 0 00 to 23 00 22 22 00 OF Ending time of Night set back 0 23 0 00 to 23 00 06 06 00 11 Remote control Alarm Tone 0 Alarm Tone OFF 1 Alarm Tone ON 1 Alarm Tone ON 12 Frost running period days 0 days 20 days 00 No setting 13 Frost running period hours 0 hours 23 hours 00 No setting 2 3 How to reset hydro function code If the hydro unit PCB has been replaced it is necessary to change the FC 01 capacity setting 1 Preparation 1 Turn all of the remote controls OFF for the hot water supply HOTWATER and heating
83. wrong operation may cause a service engineer and the third persons AN WARNING around to get fatal or serious injuries or that unit defective after the operation may cause a user to have a similar serious accident Indicates that a wrong operation may cause a service engineer and the third persons AN CAUTION around to get injuries or may cause property damage or that unit defective after the operation may cause a user to have a similar accident Property damage indicates extended damage to property furniture livestock or pets About symbols Symbols Meaning of Symbols Indicates a forbidden action Specific forbidden actions are described in text near the symbol Q Indicates a forcible must do action Specific forcible actions are described in text near the symbol Indicates a caution including danger and warning ZN Specific cautions are described in picture or text inside or near the symbol DANGER lt Turn off the power breaker gt Turn off the power breaker before removing the front panel and cabinet Failure to do so may cause a high voltage electric shock leading to death or injury During an operation the second side circuit of high pressure transmission are applied with a high voltage of 230V or higher Touching the circuit even with an electrical insulator let alone a bare hand or body causes an electric shock For details see the schematic
84. 0 Communication failure between MCUs L29 000000 Other abnormality e g Compressor s loss of synchronism Abnormal discharge temperature No abnormality confirmation 000000 High pressure SW system error P04 oeoeeo Power failure P05 H03 P04 000000 Heat sink overheat failure P07 L29 000000 Gas leakage detection P15 L29 000000 4 way valve reverse failure P19 L29 000000 Hi pressure protection operation 000000 Fan drive system failure P20 P04 eoeooo Compressor drive 000000 Compressor rotor position failure 148 2 3 Sensor Current Compressor operation frequency PMV position indication The values detected by controller such as temperature sensor or current values can be easily checked Temperature sensor C Current Compressor PMV position operation pulse TD TE TS TL frequency SW803 SW803 SW803 SW803 SW803 r p s Col t Lu leo leo Cas tls L0 OD O SW803 N Refer to page 147 LED indication less than 25 20 39 eoeeeo 40 59 OO O 60 79 A JOI 1 10 80 99 O00000 100 119 eocoeeo 120 139 OOO O 140 159 e eeeoeo 160 179 oeeoeo 180 199 e
85. 0015 15 C 0000 0 C 0010 10 C 2B Outside air temperature temperature 0000 0 C 0015 15 C 0010 10 C 2 Set temperature A with outside air temperature of 20 C 0020 20 C 0055 55 C 0040 40 C 2D Set temperature B with outside air temperature of T1 0020 20 C 0055 55 C 0035 35 C 2E Set temperature C with outside air temperature of 0 C 0020 20 C 0055 55 C 0030 30 C 2F Set temperature D with outside air temperature of T3 0020 20 C 0055 55 C 0025 25 C 30 Set temperature E with outside air temperature of 20 C 0020 20 C 0055 55 C 0020 20 C 31 Zone2 ratio with Zone1 as Auto 0000 096 0100 100 0080 80 TSC F AGES uto Curve 8 Temperature shift A 40 B 35 nanan C 30 D 25 E 20 20 1 0 T3 20 10 10 Outside air temperature TO C Auto Curve temperature shift Without Auto Curve individually set the set temperature can be shifted in the range of 5k of the current setting The set temperature is valid only when Auto operation is in progress 1 Press the AUTO TEMP button for 4 seconds or longer See display C The remote controller FC setting screen appears 2 Setatemperature shift range with the TEMP v 4 button for temperature setting 5k to 5k 3 Press the SET button If lights the status is confirmed 4 Pressing the TEST 4 button moves the unit to the normal stop state 133
86. 03 remote control Room temperature correction at cooling 1 10K 10K 1K step 7 Room temperature control with the thermostat You can install a commercially available thermostat to control room temperature 7 1 Installing the room temperature thermostat optional P C board is required Connect its connection cable to CN211 port on the PC board of the hydro unit Wiring to the main unit connect the optional p c board to the hydro unit after detaching the front panel Thermostat for heating Connect between the terminals 1 and 3 Thermostat for cooling Connect between the terminals 2 and 3 Place to install inside a room At the height of 120cm 180cm on a wall Opposite to the radiator or fan coil installed No assignment when floor heating is used on the room 64 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 7 2 Room temperature thermostat control setting Setting of DPSW on the hydro unit DP_SW02_4 ON Default OFF TCB PCMO3E Terminal label 7 3 Heating thermostat operation When the heating thermostat does not reach the assigned temperature the circuit between 1 and 3 is closed heating starts under the setting that water temperature for heating is 40 C If the heating thermostat has not reached the assigned temperature 30 minutes
87. 05 143 lt HWS 803H E 1103H E 1403H E gt SW804 All OFF Initial status SW801 Press for approx 1 sec e SW805 Green LED blinks ARAR LUE e gt o H S 8889 DRE 00 gt gt co lt HWS 1103H8 R E 1403H8 R E 1603H8 R E gt WEEE swsos 00001100007 SW803 SW801 o0 15 2 Outdoor unit settings Existing piping Power save etc The following settings are available with dip switch setting and jumper wire setting Function Where to set Control details Existing piping setting Power save setting Snow prevention fan control SW802 O OFF U Existing piping setting 01 Power save setting SET Snow prevention fan control All OFF position at factory setting When using a 219 1 pipe for the existing piping set the switch to ON This case may decrease heating capacity depending on the outside air temperature when heating or on a room temperature When using the power save function set the switch to ON This setting controls the compressor frequency lowering about 10 according to the heat exchange tempe
88. 1 Attach a reducing valve and a flow meter to the nitrogen cylinder 2 Use pipe to direct the piping material and attach the flow meter to the balance 3 Apply a mark to the clearance between the piping material and the copper pipe filled with nitrogen to prevent the back flow of the nitrogen gas 4 If the nitrogen gas flows out be sure to keep open the piping end 5 Use the reducing valve to adjust the nitrogen gas flow speed to 0 05 m hour or 0 02 MPa 0 2 6 After the steps above keep the nitrogen gas flowing until the pipe cools down to a certain extent Temperature where the pipe is cool enough to be touched by hands 7 Remove the flux completely after brazing Fig 2 5 1 Prevention of oxidation during brazing Flow meter Stop valve Nitrogen gas cylinder From nitrogen cylinder Nitrogen gas Robber plug 14 3 Specifications Unit name Hydro unit HWS 803XWHM3 E 803XWHT6 E 803XWHD6 E 803XWHT9 E Outdoor unit HWS 803H E Heating capacity 1 KW 8 0 Cooling capacity 2 KW 6 0 Variable range of compressor frequency 10 70 Hz Power source Single phase 50Hz 220 230V Operation mode Heating Cooling Electric characteristic 1 2 Hydro unit Current A 0 98 0 46 Power kW
89. 1 Common procedure Wear gloves when performing the work Failure to do so may cause an injury when accidentally contacting the parts Front panel 1 How to remove 1 Stop the hydro unit operation and turn off the power breaker 2 Remove the front panel ST1T 4 x 10 6 screws 3 After unscrew the screws remove the front panel by pulling it toward you Electric parts box 4 Remove the electric parts box cover lower Front panel cover lower ST2T Q4 x 8 2 screws 5 Disconnect the power source cable and outdoor unit connecting cable from the terminal block Electric parts box 6 Remove the electric parts box cover upper cover upper ST2T Q4 x 8 4 screws 7 Disconnect the remote controller connecting cable from the CN41 connector of the water heat exchange board Electric parts box cover lower 2 How to attach Electric parts 1 Connect the remote controller connecting cable to box cover upper the water heat exchange board PN 2 Attach the electric parts box cover upper 3 Connect the power source cable and outdoor unit connecting cable to the terminal block and fix with the cord clamp 4 Attach the electric parts box cover lower 5 Attach the front panel 153 No Exchange parts name Work procedure Remarks 2 Remote controller 1 How to remove 1 Perform the step 1 1 2 Remove the remote controller from the holder using a flat blade screwdriv
90. 1 Hydro unit failure 91 9 4 2 Outdoor Unit Failure 109 9 4 3 Temperature sensor temperature resistance characteristic table 122 9 5 Operation check by PC board switch 2 0 0 123 9 5 1 Operation check mode i 253 xxx vb EXE LER ida OAS ARRAN EG POR dS 123 9 6 Brief method for checking the key components 124 9 6 1 Hydro nit cece ten ea eee Pe oe 124 9 6 2 OutdOOF URIU sedi 125 10 Hydro unit and Outdoor Unit 5 127 11 Replacement of the Service P C Board 152 12 How to Exchange Main 5 153 13 Periodic Inspection 5 193 14 Part Exploded View Part 56 194 1 SAFETY PRECAUTIONS The unit and this service guide list very important safety precautions Understand the following details indications and symbols before reading the body text and follow the instructions About indication Indication Meaning of Indication Indicates that a wrong operation may cause a service engineer and the third persons AN DANGER around to get fatal or serious injuries Indicates that a
91. 114 2 Check the heat sink fan duct 3 Check the resistance value of the heat sink temperature sensor TH Detection of gas leak 1 Check the refrigeration cycle gas When the discharge temperature sensor leak TD exceeds 106 C for consecutive 10 2 Check that the service valve is fully min open p15 When the suction temperature sensor x 3 Defect of the pulse motor valve 4 115 TS exceeds 60 C for cooling or 40 C 4 Check for kinked piping for heating for 10 consecutive min 5 Check the resistance value of the discharge temperature sensor TD and the suction temperature sensor TS The 4 way valve inversion error 1 Check the operation of the 4 way When the heat exchange temperature valve unit or the coil characteristics sensor TE exceeds 30 C or the suction 2 Defect of the pulse motor valve P19 temperature sensor TS exceeds 50 C X 8 Check the resistance value of the 4 116 during the heat pump operation heat exchange temperature sensor TE and the suction temperature sensor TS 88 Diagnostic functional operation peabar ot Ode Oerstisnal canes Backup Automat Determination and action a noor abs present ic reset confirmation High pressure protection operation 1 Check that the service valve is fully When an abnormal stop occurs due to open the high pressure release control 2 Defect of the pulse motor valve When the heat exchange tem
92. 1403XWHTS E Installed HWS 1403XWHTETR Installed HWS 803XWHDE E Installed HWS 1403XWHTSTR Installed HWS 1403XWHDE E Installed HWS 803XWHMSTR Not installed HWS 803XWHTS E Installed HWS 1403XWHMSTR Not installed HWS 1403XWHT9 E Installed HWS 803XWHM3 E Not installed HWS 1403XWHM3 E Not installed a 1 cea EEC ear Ta EEC eae 95 50 3525 35350 Thermal protector jackup heal ickup healer sacras r7 Single operation aeta Single operation er Single operation ii LII mE 3525 5250 T TI 95 5C 1 Power supply Backup heater 3 220 230V 50Hz m oon dog Guns BS Rvo2 u n I3 Ry02 u Es 1 1 o PY RY04 ls I o RY04 ers 1 5 5 BLK EE E HE a F3 F4 Fa ra rs re F3 8 1 F3 F4 1 6 Fuse Fuse Fuse AC250V AC250V AC250V 3 T30A ip TA agam 5 amp a amp a Ls a amp al 2 02 02 HWS 803XWHT9 E_ 1 HWS 803XWHT6 E_ HWS 803XWHM3 E p HWS 803XWHD6 E 1 i ian HWS 1403XWHT9 E in HWS 1403XWHT6 E HWS 1403XWHM3 E HWS 1403XWHD6 E u j Power supply HWS 1403XWHT9TR Power supply HWS 803XWHT6TR Power supply HWS 803XWHM3TR Power supply Hot waisr cinder 380 400V 3 50Hz 11 380 400V3N 50Hz HWS 1403XWHTETR 1 1 220 230V 50Hz HWS 1403XWHM3TR 220 230V 3 50Hz 1 22 5 2 Outdoor Unit
93. 1deg Change remote controller FC02 03 1K to 2K Setting temperature remote controller is lower than room temperature example 1deg Change remote controller FC02 03 1K to 0 Correction control T rc Heating Cooling Setting is corrected upward Setting is corrected upward D zone Water temperature setting is up by 1deg every 30 Water temperature setting is down by 1deg every 30 minutes minutes C zone No correction No correction Setting is corrected downward Setting is corrected downward B zone Water temperature setting is down by 1deg every 30 Water temperature setting is down by 1deg every 30 minutes minutes A zone Thermo off Related FC FC No Setting item Default Variable range 18 Upper limit of cooling temperature setting 25 18 25 C 19 Lower limit of cooling temperature setting 10 10 18 1 Upper limit of heating temperature setting Zone 1 55 37 55 C 1B Lower limit of heating temperature setting Zone 1 20 20 37 C 40 Room temperature control 0 0 Not permitted 1 Permitted Initial water temperature setting when controlling 96 cooling by the room temperature remote control and 20 10 25 C room temperature thermostat Initial water temperature setting when controlling 9D heating by the room temperature remote control and 40 20 55 C room temperature thermostat 02 remote control Room temperature correction at heating 1 10K 10K 1K step
94. 2 43122113 BELL MOUTH 2 2 A 023 4312C037 MOTOR FAN ICF 280 A100 1 2 2 024 43146676 JOINT CHECK 1 1 025 43146686 PACKED 9 52 1 1 026 43146687 _ VALVE 4 WAY STF 0401G 1 1 027 43146724 VALVE BALL SBV JA5GTC 1 ROHS 1 1 028 43148170 ACCUMULATOR ASS Y 1 1 029 431465266 CONDENSER ASSY DOWN 1 1 030 43146269 CONDENSER ASSY UP 1 1 031 4314 023 VALVE PLUS MODULAING UKV 25D100 1 1 A 032 4314N024 COIL VALVE AWAY VHV 01AP552B1 1 1 A 033 4314N025 COIL PMV UKV A038 1 1 43140031 STRAINER 1 1 035 _ 43140032 STRAINER 1 1 A 036 43160597 LEAD ASSY COMPRESSOR 1 1 037 43194029 BONNET 1 1 202 Inverter Assembly HWS 1103H E 1403H E AN Reactor 704 s N Control board assembly 711 Bushing 709 Z Terminal 3P 706 Terminal A AA Sensor assembly P9 TD TL sensor Sensor holder TO Sensor assembly 701 F6 TS TE TO sensor Sensor holder TE 203 fi i Number of pieces per unit Safety Location Part No D
95. 2 6V 015 MCC 1599 Parts name Function Setting Jumper wire J800 J803 Model switching Cut these jumper wires according to the following table J804 J811 Settings Set these jumper wires to the settings of the P C board before replacement DIP switch SW802 Settings Set SW802 to the setting of the P C board before replacement SW803 LED indication switching Set SW803 to all OFF SW804 Special operations for Set SW804 to all OFF Service SW805 Only H8series Special operations for Set SW805 to all OFF Service Model switching J800 to J803 Since this service P C board is available for several models cut the jumper wires according to the following table If they are not cut correctly an error code L10 or L29 appears on the remote controller and the operation of the air conditioner is disabled Model name J 800 J 801 J 802 J 803 Factory setting default HWS 803H E x HWS 1103H E x HWS 1403H E HWS 1103H8 E HWS 1403H8 E x x x HWS 1603H8 E Characters that indicate the following No character Standard models x Cut R For with cord heater lt HWS 803H E 1103H E 1403H E gt lt HWS 1103H8 E 1403H8 E 1603H8 E gt SW804 MCC 1599 m s E on J
96. 2 70 4 30 2 71 Hydro unit Outer dimension Height mm 925 Width mm 525 Depth mm 355 Net weight kg 54 Color Silky shade Munsell 1Y8 5 0 5 Remote controller Height mm 120 Outer dimension 3 Width mm 120 Depth mm 16 Circulating pump Motor output W 190 MAX Flow rate L min 32 1 28 9 40 1 31 5 45 8 37 3 Type Non self suction centrifugal pump Heat exchanger Plate type heat exchange Outdoor unit Outer dimension Height mm 1340 Width mm 900 Depth mm 320 Net weight kg 93 Color Silky shade Munsell 1Y8 5 0 5 Compressor Motor output W 2500 Type Twin rotary type with DC inverter variable speed control Model DA422A3F 27M Fan motor Standard air capacity m min 103 0 Motor output W 100 x 2 Refrigerant piping Connection method Flare connection Hydro unit Liquid 9 52 Gas 15 9 Outdoor unit Liquid 9 52 Gas 015 9 Maximum length m 30 Maximum chargeless length m 30 Maximum height difference m 30 Minimum length m 5 Refrigerant Refrigerant name R410A Charge amount kg 27 Water piping Pipe diameter R1 1 4 Maximum length m None Need the flow rate 17 5 min or more Maximum height difference m 7 Maximum working water pressure kPa 300 Operating temperature range Hydro unit C 5 32 Outdoor unit C 20 43 Operating humidity range Hydro unit 15 85 Outdoor unit 15 100 Wiring connection Power wiring 5 wires including ground line Outdoor unit Connecting line 4 wires including groun
97. 2113 Bell Mouth 2 2 2 26 4312C037 Motor Fan ICF 280 A100 1 2 2 2 27 43146676 Joint Check 1 1 1 28 43146686 Valve Packed 9 52 1 1 1 29 43146687 Valve 4 Way STF 0401G 1 1 1 30 43146722 Coil Solenoid STF 01AJ502E1 1 1 1 31 43146724 Valve Ball SBV JA5GTC 1 RoHs 1 1 1 32 43148170 Accumulator 2 5L 1 1 1 34 43151301 Switch Pressure 1 1 1 35 43160612 Lead Ass y Compressor 1 1 1 36 43194029 Bonnet 1 1 1 38 4314G266 Condenser Ass y Down 1 1 1 41 4314G269 Condenser Ass y Up 1 1 1 44 4314N023 Valve Plus Modulaing UKV 25D100 1 1 1 45 4314N025 Coil PMV UKV A038 1 1 1 46 4314Q031 Strainer 9 52 1 1 1 47 4314Q032 Strainer 1 1 1 48 43158227 Reactor CH 78 FC 1 1 1 206 Inverter Assembly HWS 1103H8 R E 1403H8 R E 1603H8 R E 705 714 712 102 704 720 207 Location Model name HWS N Part No Description 1103H8 R E 1403H8 R E 1603H8 R E 702 43154177 Relay 480V 20A 1 1 1 704 43158207 Reactor 68 1 1 1 705 43153006 PTC Thermistor ZPROYCE101A500 1 1 1 706 43050425 Sensor Ass y TC F6 3 3 3 707 43150319 Sensor Ass y TD F4 2 2 2 708 43160565 Terminal Block 3P 20A AC250A 1 1 1 709 43160579 Termina
98. 25 4 ON 90 5 C 13 Relay EL200 240 A2 F Contact AC480V 20 A 30 6 3 Hot Water Cylinder Unit Model name No Component name Cad at 200 Rating M3 E M3 E M3 E UK UK UK 1 Hot water cylinder heater _ AC230 V 2 75 KW Hot water cylinder temperature 10 kQ 25 C 2 sensor _ TTW sensor 3 Thermal cut out Operating temperature Manual reset 82 C 3k 2k Applied 31 6 4 Water Heat Exchange Control Board HWS 803XWHM23 E 803XWHT6 E 803XWHD6 E 803XWHT9 E HWS 1403XWHM3 E 1403XWHT6 E 1403XWHD6 E 1403XWHT9 E TC sensor connector TTW sensor connector CN203 CN214 Relay board connector Remote control TFI sensor Low pressure sensor connector CN501 connector connector CN207 CN212 CN41 CN213 THO sensor connector CN206 2 TWI sensor connector CN204 TWO sensor connector CN205 e Pressure switch connector cc pen oS Overheat protection thermostat input connector CN202 Flow switch connector Option board CN200 connector CN208 CN211 Transformer connector CN102 Built in Va connector CN603 Transformer input connector Hot water cylinder CN101 drive connector CN601 eS AC power supply connector m ay E N s wx 3WV drive connector Serial input connector CN602 CN305 Mixing valve drive Backup heater 1
99. 28 43160565 TERMINALBLOCK 3P 20A 1 1 1 1 1 1 1 1 A 229 43160566 TERMINALBLOCK 6P 20A 1 1 1 1 1 1 1 1 A 230 4306A130 TERMINAL BLOCK 9P 20A 1 1 1 1 1 1 1 1 A 231 43160576 TERMINALBLOCK 4P 20A 1 1 1 1 1 1 1 1 A 232 43160579 TERMINAL 1 1 1 1 1 1 1 1 A 233 43160561 TERMINAL 1 1 1 1 1 1 1 1 A 234 43050425 SENSOR ASSY SERVICE 3 3 3 3 3 3 3 3 A 235 43150320 SENSOR ASSY SERVICE 2 2 2 2 2 2 2 2 236 43160568 TERMINAL 2P 1 1 1 1 1 1 1 1 196 Outdoor Unit HWS 803H E 197 te Part No Description Number of pieces per 001 43019904 HOLDER SENSOR 1 002 43032441 NIPPLE DRAIN 1 A 003 43041798 COMPRESSOR DA220A2F 22L 1 A 004 43046493 COIL PMV 1 005 43046451 VALVE 4 WAY STF 0218G 1 006 43047246 BONNET 3 8 IN 1 007 43047669 NUT FLANGE 1 008 43049739 CUSHION RUBBER 3 A 009 43050407 THERMOSTAT BIMETAL 1 010 43063317 HOLDER THERMOSTAT 1 011 43100437 PANEL FRONT PIPING 1 012 43100438 PANEL BACK PIPING 1 013 43100440 PLATE ROOF 1 014 43100452 PANEL SIDE 1 015 43100453 PANEL AIR OUTLET 1 016 43100454 PANEL FRONT 1 017 43100455 BASE ASSY 1 018 43107276 HANGER 2 019 43107277 GUARD FIN BACK 1 020 43107278 GUARD FIN SIDE 1 021 43109422 GUARD FAN 1 A 022 43120244 FAN PRO
100. 3 When the compressor stops in 2 the operation restarts when the temperature returns to the usual operation zone e or below after 150 seconds 4 When the compressor stops in 2 the abnormality detection counter is cleared when the operation continues for 10 minutes If the counter counts 10 times error code is displayed and the compressor does not restart 5 For details about an check code displayed see the check code list Heating TC Cooling TL Abnormal stop Frequency normal down E Frequency slow down E Frequency hold Frequency slow up up to the point instructed As instructed 803H E 1103H E 1403H E 1103H8 R E 1403H8 R E 1603H8 R E Heating Cooling Heating Cooling Heating Cooling TC TWO 2 TL TC TWO 2 TL TC TWO 2 TL a 64 C 63 C 64 C 63 C 62 C 63 C b 62 C 62 C 62 C 62 C 59 C 62 C 60 C 60 C 60 C 60 C 57 C 60 C d 58 C 58 C 58 C 58 C 52 C 58 C e 54 C 54 C 54 C 54 C 51 C 54 C 11 High pressure switch The high pressure switch detects abnormal high pressure higher than 4 15Mpa in cooling cycle and protect the compressor The high pressure switch stops the compressor as the pressure in the cooling cycle becomes higher than 4 15Mpa The compressor will restart three minutes after stopping If the high pressure switch functions again after restarting the compressor stops and the A07 error code is indicated 12 C
101. 42 V 0 2A Bimetal thermostat single Operating temperature 95 5 C 12 operation AC250 V 16 A 13 Flow switch _ Operating flowing quantity 13 g min 14 Output board OP OP OP OP OP TCB PCIN3E 230 V 0 5 DC24 V 1A 15 Input board OP OP OP OP OP TCB PCM03E Contact input 16 Remote control Main HWS AMS11E 17 Remote control Sub OP OP OP HWS AMS11E Water 3 way valve terminal AC230 V 0 1 A 18 _ 2Wire 3Wire SPST SPDT type mountable 19 Water 2 way valve terminal AC230 V 0 1 A 2Wire type mountable 20 Mixing valve terminal a _ reais 3Wire SPST SPDT type mountable 21 Circulating pump terminal _ AC230 V 1 0 A 22 Booster heater terminal _ AC230 V 1 0 A 23 Fuse _ AC 250 V 30 A Applied OP Optional accessory 26 HWS 1403XWHM3 E T6 E 06 T9 E Model name No Component name Type name Rating M3 E T6 E D6 E T9 E 1 Circulating pump UPS25 80 130 AC230 V 0 83 2 Backup heater 6 kW B AC 400 V 3N 6 kW AC230 V 3kW compatible 3 heater 9 kW _ AC 400 V 3N 9 kW Water heat exchange 10 kQ 25 C 4 temperature sensor _ TC sensor 5 Water inlet temperature sensor _ 10 kQ 25 C TWI sensor Water outlet temperature sensor 10 kQ 25
102. 4KW and 8kW specifications Water heat exchanger assembly 161 2 Outdoor Unit 2 1 HWS 803H E Wear gloves when performing the work Failure to do so may cause an injury when accidentally contacting the parts 1 How to remove 1 Stop the operation by remote controller and turn off the breaker 2 Remove the front panel Hex Q4 10 2 screws After unscrewing the screws remove the front panel while pulling it downward 3 Disconnect the power source cable and connecting cables between hydro and outdoor from the cord plank and terminals 4 Remove the top board Hex 4 x 10 5 screws 2 How to attach 1 Attach the top board Hex 4 x 10 5 screws Atthis time insert the back side fin guard between the top board and the water heat exchanger back side 2 Connect the power source cable and connecting cables between indoor and outdoor to the terminal and fix them with the cord clamp NOTE The power source cable and connecting cable between hydro and outdoor units must be fixed along the connecting piping by using a cable tie so that the cables do not contact the compressor gas side valve gas side piping and outlet pipe 3 Attach the front panel Hex 4 10 2 screws Exchange parts No name Work procedure Remarks 1 Common procedure NOTE Front panel a TOSHIBA SST N Top board Insert the back side fin guard between the top board and the heat exchange
103. 807 J811 ea 1 EH Ej SW803 ee n sc mL ls J800 J803 1 SW802 J800 J803 152 12 How to Exchange Main Parts N WARNING lt Turn off the power breaker gt Because the electrical components are energized with high voltage always turn off the power breaker before starting to work lt Check gt After a repair is complete perform a trial operation after attaching the front panel upper and lower cabinets and side cabinet and check that no abnormality including smoke or abnormal noise occurs Failure to do so may cause a fire or an electric shock Place the cabinets before making a trial operation lt Watch out for fire gt Observe the following instructions when repairing the refrigerant cycle 1 Watch out for surrounding fire Always put out the fire of stove burner or other devices before starting the repair Should the fire fail to be put out the oil mixed with refrigerant gas could catch fire 2 Do not use a welder in a closed room A room with no ventilation may cause carbon monoxide poisoning 3 Keep away flammable materials The materials may catch the fire of a welder CAUTION lt Wear gloves gt Wear gloves when performing repair Failure to do so may cause an injury when accidentally contacting the parts Thick gloves such as cotton work gloves 1 Hydro Unit No Exchange parts name Work procedure Remarks
104. 9 Decrease compressor frequency to 70 every 10 sec P slow down T10 P Decrease compressor frequency by 3 Hz every O down 10 sec n Q Keep compressor frequency Forcible stop TC TWO C TWI T7 T8 T9 T10 T11 TWI lt 10 10 0 8 0 6 0 4 0 3 0 10 TWI lt 15 10 5 8 5 6 5 4 5 3 0 15 lt TWI lt 20 11 0 9 0 7 0 5 0 3 0 20 lt TWI 11 5 9 5 7 5 5 5 3 0 59 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 2 Heater control 2 1 Hot water supply operation During a hot water heat pump operation the unit energizes the hot water cylinder heater 2 75 kW when all the following conditions are met Note that when the hot water supply set temperature TSC_F is reached the unit stops energizing the heater When 30 minutes has passed after the hot water heat pump operation started The water inlet temperature TWI reaches 50 C The hot water cylinder sensor reaches the HP_OFF temperature 45 C FC The HP_ON temperature 38 C FC is reached without the hot water HP status HOT WATER BOOST operation is in progress TTW Abnormality detection A03 displayed 85 Y zone Heater off X zone TSC_H 4 Heater on Hot Water Boost Heater on only with Hot Water Boost in operation Diff 2K TSC_H Heat pump_OFF 45 Heater on without hot water heat pump Heat pump_ON 38 C Hot water h
105. DER SENSOR 1 709 43163059 SPACER BUSH 1 710 43163060 SPACER COLLAR 1 712 43063322 HOLDER SENSOR 1 713 43063321 HOLDER SENSOR 1 200 Outdoor Unit HWS 1103H E 1403H E 001 008 036 G07 CON 5 3 LL x A lt i i Wes uu A V A 7 010 017 A021 015 201 Safety Location a Number of pieces per unit A No Part No Description HWS 1103H E HWS 1403H E 001 43019904 HOLDER SENSOR 3 3 002 43032441 NIPPLE DRAIN 1 1 A 003 43041794 COMPRESSOR DA422A3F 25M 1 1 004 43047246 BONNET 3 8 IN 1 1 005 _ 43047669 NUT FLANGE 2 2 006 _ 43049739 CUSHION RUBBER 3 3 A 007 43050407 THERMOSTAT BIMETAL 1 1 008 43063317 HOLDER THERMOSTAT 1 1 009 43097212 3 3 010 43100437 PANEL FRONT PIPING 1 1 011 43100438 PANEL BACK PIPING 1 1 012 43100439 PANEL FRONT 1 1 013 43100440 PLATE ROOF 1 1 014 43100441 PANEL SIDE 1 1 015 43100442 PANEL AIR OUTLET 1 1 016 43100443 _ ASSY 1 1 017 43107274 GUARD FIN SIDE 1 1 018 43107275 GUARD FIN BACK 1 1 019 43107276 HANGER 3 3 020 43109422 GUARD FAN 2 2 A 021 43120244 FAN PROPELLER PB521 2 2 02
106. Defect in the pressure switch Low pressure sensor operation error 1 Almost no or little water flow The low pressure sensor detected 0 2 2 Defect of the flow switch M MPa or less 3 On load cooling or prolonged 8 97 defrosting a lot of frost formation under the above conditions 4 Defect in the low pressure sensor 2 Overheat protection operation 1 No water heating without water or When the thermostat of the backup no water flow 2 heater activates during the operation of 2 Defect of the flow switch the heat pump or backup heater When the thermostat operation is 3 Defect of the backup heater poor 1 automatic reset thermostat activated while it has been stopped Operation of the release protection Heating i A os bn awatabilo Wi W When the TWO release counts to 10 Cooling o Defect ofthe n 11 x Defect of the flow switch 10 99 3 Check the water outlet temperature Hot water 0 sensor TWO Heating hot water heater 1 Activated by a large load of heating The antifreeze control is detected under or hot water supply the condition of TWI lt 20 C while 2 Check the heater power circuit A12 TWI gt 1 5 C TTW gt 20 C is not detected backup or hot water cylinder 1 100 after the heater backup heater Power supply voltage breaker power supply connection Regular communication error between hydro unit and remote E03 controller o 1 Check remote control connection 1 When there
107. Defrosting output Operation output Boiler ON OFF Booster Heater Condensed temperature sensor TC lt Water inlet temperature sensor TWI I Water outlet temperature sensor TWO lt Water heater outlet temperature sensor THO Hot water cylinder sensor T TW Floor inlet sensor TFI Overheat prevention thermostat I Flow switch Hot water cylinder heater Backup heater 1 power relay Backup heater 2 power relay Water heat control board AC pump 1 Built in pump AC 220 230 V for heat pump Single phase type AC 380 400V for heat pump 3 phase type Outdoor unit contro Inverter frequency control Waveform synthesis function Calculation function Temperature calculation AD conversion function Rapid heating function Compressor restart Delay function G Tr overcurrent prevention function Defrosting operation function Compressor Outdoor fan motor Td sensor Ts sensor Te sensor High pressure switch 3 phase type only outdoor unit are controlled according to user defined operation condition settings Details The operation controls include those shown on the left Operations 1 operation condition is selected with the remote controller 2 Setting the remote controller button to ON transmits a signal to the hydro unit 3 The hydro unit controller controls the operations shown on the left w
108. Flow switch is normal Replace flow switch Yes Water outlet temperature is 70 C or higher No Yes ot water from boiler or other circuits does not come in Yes Correct water circuit To prevent hot water of other circuits from entering Failure of backup heater Too large heater input thermostat short circuit Backup heater is energized Measure heater current No Replace water heat exchange control board Replace heater unit f Boiler setting is ON DPSW13 2 is ON and FC62 is 1 the A02 error is not detected 92 A03 Error Temperature rise and error short circuit TTW 288 C is detected TTW sensor No Replace TTW sensor characteristic is correct Yes ot water cylinder heater is energized Mg sw RY05 for heater operates Replace Mg sw Operating noise at normal time At normal temperature tank thermosta is energized Hot water cylinder thermostat operates Replace hot water cylinder thermostat Operation temperature 82 C Yes Replace water heat exchange control board 93 A04 Error Freeze prevention control When the outside temperature or inlet water temperature is low approx 20 C or lower and the room load is large operation frequency gt rating the freeze prevention control may be activated Start Operation restart Perform air vent Excess air Yes inside pump Walt Dirt c
109. Hz 20 Hz or more to less 45 Hz or more Temperature range than 45 Hz Maximum Maximum Maximum 10 lt TO W7 ws W9 5 C lt TO lt 10 C W9 WA WA 3 C 5 TO lt 5 C WA WA WC 10 C lt TO lt 3 C WC WC WC TO lt 10 C WD WD WD TO abnormal WD WD WD mn 1403H8 R E 1603H8 R E Less than 20 Hz 20 Hz or more to less 45 Hz or more Temperature range than 45 Hz Maximum Maximum Maximum 10 lt TO W7 W8 W9 5 C TO 10 C W9 WA WB WC 3 C lt TO lt 5 C WB WC WB WC WC 10 C lt TO lt 3 C WC WC WC TO lt 10 C WD WD WD TO abnormal WD WD WD 1603H8 E 1603H8R E only 77 Item Operation flow and applicable data etc 8 4 Outdoor unit control 6 Defrosting control This control defrosts the outdoor heat exchanger The temperature sensor TE sensor of the outdoor heat exchanger determines frost formation and then defrosting is performed in the 4 way valve reverse defrosting method 1 During a heating operation defrosting is performed when the TE sensor meets any of the conditions in A through D zones 2 During defrosting when TE sensor maintains 12 C or higher for seconds or 7 C TE lt 12 C for a minute the defrosting ends Also when defrosting continues for 10 minutes even if the TE sensor temperature is below 7 C the defrosting ends 3 After the defro
110. I TOSHIBA ESTIA Leading Innovation gt gt gt AIR TO WATER HEAT PUMP SERVICE MANUAL HFC Model name Hydro Unit Outdoor Unit HWS 803XWHM3 E TR HWS 803H E TR HWS 803XWHT6 E TR HWS 1103H E TR HWS 803XWHD6 E HWS 1403H E TR HWS 803XWHT9 E HWS 1103H8 E HWS 1403XWHM3 E TR HWS 1103H8R E HWS 1403XWHT6 E TR HWS 1403H8 E HWS 1403XWHD6 E HWS 1403H8R E HWS 1403XWHT9 E TR HWS 1603H8 E HWS 1603H8R E Hot Water Cylinder HWS 1501CSHM3 E UK HWS 2101CSHM3 E UK HWS 3001CSHM3 E UK EY v Contents 1 SAFETY PRECAUTIONS 5 5 mh eom arbem mx d 3 2 NEW REFRIGERANT 410 6 2 1 Safety During Installation and Service 6 2 2 Installing refrigerant pipe eee Inh 7 2 2 1 St el pipe and JOIN asuykuqqa a ha eu uk 7 2 2 2 Processing of piping materials 8 PM PET 10 2 3 1 Necessary tools Luru bep RUD CE E Ed ui 10 2 4 Recharging of refrigerant 2 0000 e 11 2 5 Brazing Of pIpes c ener 13 2 5 1 5 of Reg RR CR sac d adden wea akaw RA 13 VJ qp UL 13 2 5 3 Brazitig sx et doce a e Ud RO ee _______ __ Waru 13 3 SDOCIHCSIONS x sa vised cereus vd sada She Rees Sad Hens eee RE RAS ESS
111. IA QO QS Co Ce 3 Pressing the TEST 4 button returns to the normal NI display 13 NOTE Do not press the CL button Pressing the button deletes all the failure history of the hydro unit If the button is pressed and the history is deleted perform power cycle If the current failure is the same as the one occurred last time before deleted the history may not record the current failure 142 Outdoor unit 15 Outdoor Unit Setting 15 1 Refrigerant recovery control Although HFC refrigerant is Ozone depletion potential 0 emission control is applied to it as a greenhouse effect gas This model has a switch for the outdoor unit to perform an environment friendly refrigerant recovery operation pump down when the model is replaced or discarded How to operate 1 Remove the water in the hydro unit With the water remained in the hydro unit performing refrigerant recovery may freeze the water and burst the unit Set all the SW804 dip switches to OFF initial status and press the push button switch SW801 for approx 1 second A cooling operation starts During the operation D805 green LED blinks Note that this operation lasts for 10 minutes After 3 minutes has passed close the liquid side valve After the refrigerant recovery is completed close the gas side valve Press again the push button switch SW801 for approx 1 second The outdoor unit stops operation cooling O MCC 1599 SW8
112. Jege 12A JI jassan uoisuedx3 NLA Jaljal eunsseld 39 Installation example of water circuit 1 Hydro unit Outdoor unit 2 Shower Bath Kitchen HEATING COOLING Outdoor unit 1 zone 1 zone 3 HEATING ONLY 4 Conventional boiler 2 way valve Panel radiator Panel radiator Shower Bath Kitchen Hydro unit Outdoor unit 1 zone 5 Shower Bath Kitchen anel radiator Outdoor unit 2 zones Conventional boiler Panel radiator The water flowing for a system without buffer tank 1 2 3 5 requires17 52 min 803XWH 13 02 min or more This water flowing requires 5 or more branches of Floor heating or Radiator etc Less than 5 branches may cause a flow deficiency In this case please provide a buffer tank and secondary pumps as shown in 4 Please check how to install the boiler See page 52 40 7 2 Refrigeration Cycle System Diagram HWS 803XWHM3 E HWS 803XWHT6 E HWS 803XWHD6 E HWS 803XWHT9 E HWS 803H E Outdoor unit gt Heating Hot water supply 7 Defrosting Cooling Compressor DA220A2F 22L Way valve STF 218G exchanger Accumulator 1800 cc TE Outdoor heat pressure sensor 1 Pressure switch 1 Plate type water heat exchanger Pulse motor valve CAM B30YGTF 2 Hh Hydro unit Expansion vessel Man
113. MV position 1 10 pls Item code Data name Unit FO Micro computer energized accumulation time x 100h 1 Hot water compressor ON accumulation time x 100h 5 F2 Cooling compressor ON accumulation time x 100h g F3 Heating compressor ON accumulation time x 100h z F4 Built in AC pump operation accumulation time x 100h o F5 Hot water cylinder heater operation accumulation time x 100h F6 Backup heater operation accumulation time x 100h F7 Booster heater operation accumulation time x 100h 3 Pressing the TEST 4 button returns to the usual display 141 14 Failure History Calling Function lt Details gt This function calls the previous failure details lt Procedure gt 1 Press the TEST 4 and SET buttons at the same time for 4 seconds or longer to call the service check mode The service check lights up with CODE No 01 displayed at first and the latest warning detail is displayed The warning details of the current warning is displayed See display gt MP TEMP SELECT i i i 2 monitor ane ean 2 Givi uton TOT ure setting enange wie SCHEDULE NIGHT ZONE 1 2 HOT WATER failure history number item code Co JE gt j Item code 01 Latest gt Item code 01 Old eo e e c gt Note The failure history contains the last 4 failures SET CL TEST AUTOTEMP ANTI BACTER
114. N09 WE BLK YEL YEL z 1 1 m OB 18 CH 78 777 xn CN504 CN505 BLU RED CN502 49C sen tjj WHI p Bow 75 MABA 8 a RE y me CN608 CN802 CN609 CN690 go eun aay WHI WHI BLU GRN cNo2 407 518 CN750 CN700 4 RED k ORN WHI BLU P501 RED I3 CNO1 2 UU WHI mz 11213 11213 515 E 11213 029 Fuse BLU hs Reactor a 10A gt UW 68 u 250V x 9 CN700 1 bose YEL t rise a a E TS SA 250V Heater i 1103H8R E 9 62 79 1403H8R E BLU GRY is Exo 1603H8R E Fuse ____ TMsAzsV 1 Only Earth Earth screw OO screw OOO DO GRR oyoo COR CM SME EE qup qr E Hydro 595 TE mo Color Identification BLACK WHI WHITE Power Supply Earth Lal kal BLU BLUE BRN BROWN 380 400V 3N 50Hz Te mE 10 TD RED RED ORN ORANGE GRY GRAY YEL YELLOW GRN GREEN PUR PURPLE Symbol Part name CM Compressor 1 indicates the teminal block Alphanumeric characters FM1 2 Fan motor in the cycle indicate terminal No PMV Pulse motor valve 2 The two dot chain line indicates the wiring procured locally TD Pipe temperature sensor Discharge 3 indicates the board TS i i MK TP Pipe temperature sensor Suction 4 For the hydro unit circuit refer to the wiring diagram of TE Heat exchanger sensor 1 the indoor unit
115. ONE 2 For details see the description on MIXING VALVE control in 8 3 5 1 Operation start condition Pressing the ZONE1 2 button of remote controller starts a TWI heating operation 1 2 Thermostat off e zone operation 2 Operation mode selection An operation mode is determined according to the temperature of TWI sensor Heat pump operation selection 1 2 When TWI lt TSC_F d zone in the right figure is met the heat pump operation is selected Thermostat status OFF Heat pump operation When TWI 2 TSC_F e zone in the right figure is met the thermostat status OFF is selected TSC_F TSC_F is a heating temperature set with remote controller 3 Operation stop condition When the following condition is met the heating operation stops The remote controller gives a stop instruction 1 When the outside temperature is 20 C or below the heater operation is selected even if the TWI temperature falls into d zone 2 When Hot water supply and Heating are simultaneously in operation the heater operation may be selected depending on the outside air temperature Related FC FC No Setting item Default Setting available range 1A Upper limit of heating Zone1 limited temperature 55 37 55 C 1B Lower limit of heating Zone1 limited temperature 20 20 37 C 1 Upper limit of heating Zone2 limited temperature 55 37 55 C 1D
116. PELLER PB521 1 023 43122113 BELL MOUTH 1 A 024 43120042 MOTOR FAN ICF 280 A60 1 1 025 43146686 VALVE PACKED 9 52 1 026 43146695 VALVE PULSE MODULATING 1 027 43146724 VALVE BALL SBV JA5GTC 1 ROHS 1 028 43148232 ACCUMULATOR ASSY 1 029 4314G278 CONDENSER ASSY 1 A 030 4314N024 COIL VALVE 4WAY VHV 01AP552B1 1 031 4314Q031 STRAINER 1 032 4314Q056 STRAINER 1 A 033 43160591 LEAD ASSY COMPRESSOR 1 034 43194029 BONNET 1 035 43197183 BOLT COMPRESSOR 3 198 Inverter Assembly HWS 803H E N Control board assembly 711 A Reactor AN Terminal A Sensor assembly F4 TD TL sensor Sensor assembly 701 6 apa TS TE TD sensor 199 pa ETD Sensor holder TO Sensor holder TE Ea CAD Sensor holder TS 91 013 Sensor holder TD i Number of pieces per unit Safety Location Part No Description P HWS 803H E N 702 43063325 HOLDER SENSOR N N N N N 708 43163055 HOL
117. Torque wrench For 26 35 7 Screwdriver 11 Tape measure 3 Pipe cutter 8 Spanner or Monkey wrench 12 Metal saw Also prepare the following equipment for other work methods or run check 1 Clamp meter 3 Insulation resistance meter 2 Thermometer 4 Electroscope 10 2 4 Recharging of refrigerant Recharge if necessary the specified amount of new refrigerant according to the following procedure Recover the refrigerant and check that no refrigerant remains in the refrigerant cycle Open fully the handle of gauge manifold Lo turn on the vacuum pump and then perform vacuum evacuating Connect the charge hose to packed valve service port on the outdoor unit s gas side When the compound gauge s pointer indicates 0 1 MPa 76cmHg close fully the handle Lo and turn off the vacuum pump sl hose To vacuum pump Let the equipment stay as it is for one to two minutes and check that the compound gauge pointer does not return Open fully both packed valves on the liquid and gas sides Place the refrigerant cylinder to the electronic balance connect the connecting hose to the cylinder and the connecting port of the electronic balance and then charge liquid refrigerant For refrigerant charging see the figure below NOTE Never charge refrigerant exceeding the specified amount If the specified amount of refrigerant cannot be charged charge it a little at a
118. ackage 29 of the following abnormality may occur Seeing the LED on the outdoor board can determine which abnormality occurs Communication failure between MCUs Heat sink temperature sensor TH failure EEPROM failure Model not specified Heat sink overheat failure gas leakage detection 4 way valve invert failure lt Indication 1 gt lt Indication 2 gt Ooeooe 0000 0 Communication failure between MCUs PC Board 803H E MCC 1571 1103 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1596 Check outdoor control board If defective replace it 803 to 1403H E lt Indication 1 gt lt Indication 2 gt 1103 to 1603H E lt Indication 1 gt lt Indication 2 gt O e o o e o Heat sink temperature sensor TH failure See F13 details Indication 1 Indication 2 gt OO eoo 000000 EEPROM failure See F31 details lt Indication 1 gt lt Indication 2 gt oeoeoe Model not set See L10 details Indication 1 Indication 2 gt O e 6e o o o6 Heat sink overheat failure See P07 details 111 Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts L29 Indication 1 Indication 2 gt O e o o 6 0 Gas leakage
119. ad 175 No Exchange parts name Work procedure Remarks Fan motor 1 Perform the step 1 1 and step 2 2 Remove the fan motor and the flange nut that fixes the propeller fan To loosen the flange nut turn it clockwise Turn it counter clockwise for tightening 3 Remove the propeller fan 4 Remove the connector for fan motor from the inverter control board Remove the ferrite core of the lower fan motor to use it again for a new fan motor 5 Remove the fan motor lead from the fan motor lead fixing rubber on the through hole of the parting board 6 Remove the fixed screws 4 for each while holding the fan motor so that it does not drop Notes in assembling fan motor e Tighten the flange nut in 4 95 Nem 50kgfecm To prevent the fan motor lead from contacting the propeller fan adjust the length of fan motor lead fixing rubber so that it does not slack Attach the fan motor lead fixing rubber to the parting board so that the projection part is placed on the refrigerant cycle side Make sure that the reactor body and the fan motor lead do not contact each other Be sure to bind the removed binding tie by using the commercially available binding tie Be sure to re attach the ferrite core of the lower fan motor Fix this with a commercially available binding tie NOTE Fix the fan motor lead to the motor base using a metal tie so that the fan motor lead does not contact the
120. after 150 seconds This intermittent running is not abnormal NOTE It TO lt 5 C and the heat pump was thermo off the out door fan motor up down continue to run 10 mins with W3 rotation TE C 2 tap 20 secs to W1 Stop time count 2 tap 20 secs to W1 1 tap 20 secs to W1 Number of revolutions hold 1 tap 20 secs Up to the maximum tap for each zone For 803H E Temperature range Less tian 20 7 45 Hz or more Maximum Maximum Maximum 10 lt TO W7 ws wo 5 C lt lt 10 w9 WB WD 3 C 5 TO lt 5 C WD WD WE 10 C lt TO lt 3 C WE WE WE TO lt 10 C WF WF WF TO abnormal WF WF WF For 1103H E Temperature range Less than 20 45 Hz or more Maximum Maximum Maximum 10 lt TO W7 Ws W9 5 C TO 10 C W9 WA WA 3 C lt lt 5 C WA WA WB 10 C lt TO lt 3 C WB WB WB TO lt 10 C WD WD WD TO abnormal WD WD WD For 1403H E Temperature range Less 20 Hz i Hz Ranas Hz 45 Hz or more Maximum Maximum Maximum 10 lt TO W7 ws W9 5 C lt TO lt 10 C w9 WA WB 3 C lt TO lt 5 C WB WB WC 10 C lt TO lt 3 C WC WC WC TO lt 10 C WD WD WD TO abnormal WD WD WD 76 Item Operation flow and applicable data etc For 1103H8 R E Less than 20
121. age 13 3 Operation during defrosting operation When the power is restored after a power outage the usual operation restarts Note The operation details recorded before a power outage Operation mode Hot water supply Heating Cooling Hot water supply Heating Hot water supply Cooling Set temperature Hot water set temperature Heating set temperature Cooling set temperature Merit function Hot water supply operation Anti Bacteria Heating operation Night Set Back 14 Piping freeze prevention control This control operates when the power is on regardless the remote controller setting ON or OFF To prevent frost bursting of the water piping for hot water supply and heating the unit flows water with the circulation pump when the temperature sensor value falls below a certain temperature 14 1 Piping freeze prevention control 1 1 Start condition TWO lt 4 C or THWI lt 4 C or THO lt 4 C 2 End condition TWO 2 5 C and TWI 2 5 C and THO 2 5 C 3 1 How to operate circulation pump When the circulation pump is not in operation if the sensor detects the freeze prevention control start temperature the unit operate the circulation pump During a freeze prevention operation a heat pump operation does not start When neither HOT WATER nor ZONE 1 2 is in operation if the end condition is not met when minutes has passed after an operation starts the unit performs the operation in 3 2 to prevent freeze 3
122. al hot water supply operation Pressing the HOT WATER BOOST button displays the symbol See display gt The set temperature does not change The hot water supply operation of 75 C starts __ 20 2 TU WE TH FR SA SU SELECT SCHEDULE NIGHT ZONE 1 2 o j TIME DAY STEP OPERATE MODE Mw OO SET CL TEST AUTO TEMP OK 3 CS Pressing the HOT WATER BOOST button again makes 98 disappear and the HOT WATER BOOST ends How to set HOT WATER BOOST operation time and temperature In FC 08 or 09 See 2 2 the operation time and set temperature can be changed FC 08 Operation time change range 30 to 120 minutes 60 minutes default FC 09 Set temperature change range 40 to 80 C 75 C default 11 Night time Low noise Setting How to enable set start time and end time of night time low noise 2 1 O Q Q This setting is used to reduce noise output from the outdoor unit during night time for neighbours Night time low noise operates with lower operation frequency and fan tap than usual only for the set time period The operation is the same as usual hot water supply heating or cooling Adjust the unit time before making the settings SCHEDULE NIGHT ZONE 1 2 HOT WATER o ME c o j Press the TEST 2
123. al one Flare processing dimension varies depending on the flare tool type When using the conventional flare tool use a gauge for size adjustment to secure the A dimension Figure 2 2 1 Flare dimension Z 2 aw Table 2 2 3 Flare processing related dimension for R410A A mm Nominal Outer diameter Wall thickness diameter mm mm Flare tool for R410A Conventional flare tool clutch type Clutch type Butterfly nut type 3 8 9 52 0 8 0 to 0 5 1 0 to 1 5 2 0 to 2 5 5 8 15 9 1 0 0 to 0 5 1 0 to 1 5 2 0 to 2 5 Table 2 2 4 Dimension of flare for R410A and flare nut Nominal Outer diameter Wall thickness Dimension mm Flare nut width diameter mm mm A B C D mm 3 8 9 52 0 8 13 0 13 2 9 7 20 18 5 8 15 9 1 0 19 1 19 7 15 9 24 5 26 Figure 2 2 2 Relationship between flare nut and flare surface 1 o 4 07 Flare connecting procedure and precautions 1 Make sure that the flare and connecting portions do not have any flaw and dust 2 Correctly align the flared surface and the connecting axis 3 Tighten the flare with designated torque by means of a torque wrench The tightening torque for R410A is the same as that for the conventional R22 If the torque is weak gas leakage may occur If it is too strong the flare nut may crack and may be made non removable When choosing the tightening toque comply with values designated by pro
124. also controlling the circulation pump water 2 way valve and water 3 way valve 4 The outdoor unit controls the compressor outdoor fan motor pulse motor valve and 4 way valve based on the operation signals transmitted by the hydro unit 46 Item Operation flow and applicable data etc 8 2 1 Heat pump operation range of hot water supply heating and cooling Operation Mode The heat pump operation range of hot water supply heating and cooling is shown on the figures below and Control 1 HWS 803XWH E Method 37 Heater for heating 28 Cooling operation range Heat pump operation 18 range of how water 16l supply and heating Heating thermostat OFF 9 8 7 s 5 4 3 1 Heat pump operation 2 range of how water 2 supply and heating 4 5 5 7 3 9 Conditional operation range Start condition The compressor stops for less than 2 hours and TD gt 50 C Freeze determination is executed only once Heater for heating 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Water temperature at inlet TWI 2 HWS 1103XWH E 1403XWH E 1603XWH E 19 43 42 41 40 39 Ej Heater for heating 36 35 34 33 32 31 30 29 28 Cooling operation range
125. an IPDU board the connector connected to other components from the control board Interface board CN600 TS sensor White tube Gray CN601 TE sensor 2P White tube Blue CN602 TO sensor 2P Yellow tube Black CN603 TD sensor 3P White tube Red CN604 TL sensor 2P White tube White CN609 Case thermo 2P Blue CN690 High pressure switch 3P Green CN700 4 way coil 3P Yellow CN710 PMV coil 6P White Fan IPDU board CN700 Outdoors lower fan motor 3P Blue CN750 Outdoors upper fan motor White Cut the banding band and remove connector connected from fan motor to fan motor relay board Remove connectors after unlocking housing section 3 Remove the screw 1 position fixing the discharge port cabinet 4 Cut bundling band fixing various lead lines to inverter assembly 5 Remove sound insulation plate upper 6 Remove terminal cover of compressor and remove compressor lead 7 Pull up the inverter assembly at upper side to remove hook of partition plate rear left part 2 Attachment 1 Mount the inverter assembly on the partition plate A CAUTION When mounting the inverter assembly on the partitioning plate ensure proper mounting of the hook rear left part with partitioning plate 2 Mount the individual components in the opposite procedure to that during detachment Inverter WwW assembly Cutithe semel ben A n E 502001 plate
126. aws 8 positions with hands from the front side to fix the claws REQUIREMENT Check that all the hooking claws are fixed at the specified positions Hooking claw 191 No Part name Procedure Remarks 13 Bottom plate heater 1 Detachment 1 Recover the refrigerant See 15 1 Refrigerant recovery control Drain the water in the hydro unit before refrigerant recovery 2 Execute steps 1 1 2 and 3 3 Detach the two fin guards 9 pcs hex screws 04 x 10 4 Detach the two piping panels 5 pcs hex screws 04 x 10 5 Disconnect the 3 and 5 refrigerant pipes 6 Disconnectthe fan motor connectors from the P C board one for the upper fan and one for the lower fan Cut the tie lap bands 6 location 7 Detach the fan motor base 2 pcs hex screws 05 x 10 8 Remove the insulation mats One above the compressor and two around it 9 Remove the three nuts fixing the compressor 10 Remove the screw fixing the partition plate and bottom plate 1 pcs ST1T 04 x 8 11 Remove the screws fixing the heat exchanger and bottom plate 2 pcs ST1T 04 x 8 12 Disconnect the connector of the bottom plate heater from the CDB P C board 13 Lift the main unit up and detach the bottom plate 14 Replace the heater 21 pcs ST2T 04 x 8 and 2 pcs hex screw 05 x 10 2 Attachment Execute the opposite of steps 1 13 in reverse order Note for step 10 The partition plate has a cutout fo
127. board Hex 4 x 10 2 screws Remove screws of the piping panel Front and Back Hex 4 x 10 1 screw 4 Remove the piping panel Back Remove screws of the piping panel Back and bottom board Hex 4 x 10 2 screws 5 Remove the valve fixing board Remove the bolt of the valve Hex head bolt 26 x 15 4 bolts Remove the screws of the valve fixing board and parting board ST1T x 8 1 screw Remove the screws of the valve fixing board and accumulator ST1T x 8 1 screw Cut the binding tie of the discharge pipe and suction pipe to remove each sensor and the pulse motor valve coil lead 6 Remove the soundproofing board Upper Inward winding Outward winding 7 Remove the compressor terminal cover and then remove the compressor lead and compressor case thermostat 8 Remove the TD sensor fixed to the discharge pipe 9 Remove the compressor lead Leave the ferrite core attached to the electric parts box Control board U CN200 Red V CN201 White W CN202 Black Torque at tightening is 1 47 0 1Nem Back Binding tie for heat resistance Compressor case thermostat Pipe cover Binding tie Sensors TL TO TE TS Motorized control valve coil lead Black pipe cover for heat resistance Binding tie for heat resistance Sensors TL TO TE TD TS Motorized control valve coil lead Compressor lead Z
128. brazing metal is generally used to join copper or copper alloy Low temperature brazing metal Low temperature brazing metal is generally called solder and is an alloy of tin and lead Do not use it for refrigerant piping because its adhesive capacity is low NOTE Phosphor bronze brazing metal tends to react with sulfur producing a fragile compound water solution This may cause gas leakage Therefore use other type of brazing metal at a hot spring resort or similar place and coat the surface with coatings To braze the pipe again while performing service work use the same type of brazing metal 2 5 2 Flux Why flux is necessary Removing all the oxide film and any foreign matter on the metal surface assists the flow of brazing metal Flux prevents the metal surface from being oxidized in the course of brazing Reducing the brazing metal s surface tension enables the brazing metal to adhere for better metal processing Characteristics of flux The activation temperature of flux matches the brazing temperature A wide effective temperature range makes flux hard to carbonize It is easy to remove slag after brazing The corrosive action to the treated metal and brazing metal is minimum The good performance of flux gives no harm to a human body Since flux works in a complicated manner as described above select an appropriate type of flux according to metal treatment type brazing metal and brazing method or
129. button at the same 4 TIME DAY STEP OPERATEMODE HOT WATER BOOST time for 4 seconds or longer See display gt 20 SET CL TEST FROST PROTECTION AUTO TEMP ANTI BACTERIA Moves to the night time low noise setting mode Ke O AO e 09 displayed in the Code No field and the DATA currently 1 displayed and 48 blink 46 7 Press TIME 4 to set enabled 1 disabled 0 Pressing SET changes DATA and indication to be lit and the setting is confirmed For DATA only 1 or 0 can be selected Press the TEMP v button to change Code No to DATA and indication again blink Press the TIME Y 4 button to set start time Pressing SET _ changes DATA and indication to be lit and the setting is confirmed Press the TEMP v A button to change Code No to 0B DATA and indication again blink Press the TIME Y 4 button to set end time Pressing SET C changes DATA and indication to be lit and the setting is confirmed Press TEST to exit the night time low noise time setting mode and 48 indications go out 139 12 Forced Defrosting Setting The FC code setting See 2 2 can activate the forced defrosting mode for the outdoor unit operation Preparation 1 Press the remote controller buttons TEST SET and SELECT at the same time for 4 seconds or longer Make sure that no operation is in progress
130. cause a disaster at a customer site due to electrical leakage or a fire Check for water leak After the repair of a water pathway is completed check that there is no water leak n using the product water leak may cause a fire at a customer site due to electrical leakage or an electric shock N WARNING Check insulation After the work is completed check with an insulating resistance tester 500V that the insulation resistance between the live and dead metal parts is 2 MO or higher Alow insulation resistance may cause a disaster at a customer site due to electrical leakage or an electric shock lt Ventilate gt Ventilate if refrigerant gas leaks during service work Should refrigerant gas catch fire poisonous gases may be produced A closed room full of leaking refrigerant results in the absence of oxygen it is dangerous Make sure to ventilate lt Caution electric shock gt When checking a circuit while energized if necessary use rubber gloves not to contact the live part Contact with the live part may cause an electric shock The unit contains high voltage circuits Contact with a part in the control board with your bare hand may cause an electric shock Take enough care to check circuits lt Turn off the power breaker gt Because the electrical components are energized with high voltage always turn off the power breaker before starting to work Failure to do so may cau
131. ce between the heating set temperature TSC_F and the heater outlet temperature THO Note that when the heating set temperature TSC_F is reached the unit stops energizing the heater THO Abnormality detection Diff 2K Heater off 70 TSC_F 2 Heater output down every 5 10 15 or 20 minutes TSC F 0 Diff 2K TSC F2 Heater output up every 10 20 30 or 40 minutes Status Heater ON OFF Heater 1 Backup heater 3 kW ON Heater 2 Backup heater 9 kW ON Heater 3 Heater 2 Booster heater The single phase model of 3 kW has the backup heater 1 only The three phase model of 6 kW has heater 1 2 of 6 kW Booster heater operation come only output signal Booster heater activate under heater only mode Related FC FC No Setting item Default Setting available range 20 Hot water supply heat pump start temperature 38 C 20 45 C 21 Hot water supply heat pump stop temperature 45 C 40 50 C 33 Heater control of down time 1 10 min 0 5 min 2 15 min 3 20 min 34 Heater control of up time 0 10 min 1 20 min 2 30 min 3 40 min 2 3 Heater control at the time of defrosting Object to be controlled Backup heater THO When a defrosting operation starts during the heating heat TSC F pump operation the unit energizes a backup heater 3 kW according to the heater outlet temperature sensor THO and TSC_F B B 2 the set temperature TSC_F as follows TSC F a a 4
132. control of Air to Water Heat Pump about the following operations Item Page 8 1 Basic Operation 1 Operation control 8 1 2 Hot water supply operation 44 to 46 3 Heating operation 4 Cooling operation 8 2 Operation Mode and Control Method 1 Heat pump operation range of hot water supply heating and cooling 2 Hot water supply operation 3 Heating operation 4 Cooling operation 5 Simultaneous operations of hot water supply and heating 6 Simultaneous operations of hot water supply and cooling 7 Boiler control 8 Hot water boost operation 9 Anti bacteria ANTI BACTERIA operation 10 Night set back NIGHT SET BACK operation 11 FROST PROTECTION operation 12 AUTO operation 13 Night time low noise operation 8 2 47 to 57 8 3 Hydro Unit Control 1 Capacity control compressor high temperature release low temperature release 2 Heater control 3 Circulation pump control 4 Control by the flow switch 5 Mixing Valve control 2 temperature heating control 6 Room temperature control 7 Room temperature control with the thermostat 8 Control of force stop and restart 9 Control of limit of heat pump operation 10 Output signal control 1 11 Output signal control 2 12 Q H characteristics of hydro unit 13 Automatic restart control 14 15 8 3 58 to 71 Piping freeze prevention control High return water protect control 8 4 Outdoor unit control 1 PMV Pulse motor valve c
133. d fin guard heat exchanger Hex 4 x 10 5 screws 7 Remove the side cabinet while shifting it upward inverter hook Valve fixing board 173 No Exchange parts name Work procedure Remarks Electric parts replacement 1 Control board 1 Perform the step 1 1 WARNING For 1 minute after the power is turned off do not disassemble the inverter to prevent an electric shock 2 Remove the connector connected to the control Hydro power source temperature sensor electric control valve coil 4 way valve coil compressor case thermostat fan motor Remove the connector by releasing the lock in the housing 3 Remove the lead cable connected to the control board Compressor lead U CN200 Red V CN201 White W CN202 Black Reactor lead 5 White CNO06 White Relay connector 4 Remove the ground wire of the control board Truss B tight screw O4 6 1 screw 5 Remove the fixed screws of the control board Collar screw for fixing element 23 x 16 9 screws Pan S tight screw for fixing the board 3 20 1 screw 6 Remove the control board Supporter 5 positions Note Removing the control board may be difficult due to the heat release grease for the heat sink 7 Attach a new control board NOTE Be careful for not taking the compressor lead V CN201 White for the reactor lead CNO5 or 06 White The compressor lead has a transparent sleeve at its ring t
134. d line 1 Heating performance measurement conditions outside air temperature 7 C water supply temperature 30 C outlet temperature 35 C refrigerant piping length 7 5 m no height difference 2 Cooling performance measurement conditions outside air temperature 35 C water supply temperature 12 C outlet temperature 7 C refrigerant piping length 7 5 m no height difference 3 The remote controller should be shipped with the hydro unit Use two 1 5 meter wires to connect the hydro unit with the remote controller 4 The outdoor unit operating noise is measured at the point of 1m away from the unit back surface centre and 1m high from the ground The hydro unit operating noise is measured at the point of 1m away from the unit front surface centre The value of the operating noise varies depending on room structure where the unit is installed 5 Do not leave the hydro unit at 5 C or below 6 Check the water piping for leakage under the maximum operating pressure 17 4 Outside Drawing 4 1 Hydro unit HWS 803XWHM93 E 803XWHT6 E 803XWHD6 E 803XWHT9 E HWS 1403XWHM93 E 1403XWHT6 E 1403XWHD6 E 1403XWHT9 E 2 dia 12x17 long hole 3715 for dia 8 10 anchor bolt 380 72 5 E gt lt 9 leg part Anchor bolt vl long hole pitch 960 Anchor bolt long hole pitch Manometer Remote controler
135. ducts Table 2 2 5 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the product Using any other oil deteriorates the lubricating oil possibly causing the compressor to burn out Table 2 2 5 Tightening torque of flare for R410A Reference values Nominal diameter Outer diameter mm Tightening torque kgfem 3 8 9 52 33 to 42 3 3 to 14 2 5 8 15 9 66 to 82 6 8 to 8 2 2 3 Tools 2 3 1 Necessary tools In Air to Water Heat Pump using R410A the service port diameter of packed valve of the outdoor unit is changed to prevent mixing of other refrigerant To reinforce the pressure resistance flare dimensions and opposite side dimensions of flare nut For 12 7 copper pipe of the refrigerant piping are lengthened Because the refrigerating machine oil is changed mixing of oil may generate sludge clog capillary or cause other problems Accordingly the tools to be used include tools dedicated for R410A Those that cannot be used for the conventional refrigerant R22 tools dedicated for R410A but can be also used for the conventional refrigerant R22 tools that can be used for the conventional refrigerant R22 The following table shows the tools dedicated for R410A and their interchangeability Tools dedicated for R410A The following tools must be for R410A Tools whose specifications are changed for R410A and their interchangeability
136. e control If the defect is limited by the check code displayed on the remote control please repair the defect based on the table on the next page The check codes are separated into two groups software and hardware errors Since a hardware error cannot be cancelled without a part replacement etc please perform a repair If its abnormality is determined the abnormality is noticed by indicating the check code on the remote control check code display part while sounding off a buzzer UNIT No arab DH os Lcd HR TEMP v CA SCHEDULE NIGHT ZONE 1 2 HOT WATER JE S ME o ME J TIME DAY STEP OPERATE MODE WATER BOOST Wa CJC Ks NE 2 SET CL TEST FROSTPROTECTION AUTO TEMP ANTI BACTERIA COU MCR Jt 9 j Check code display part 9 3 3 How to cancel a check code on the remote controller HOT WATER 1 Press C 5 button on the operation side to clear the check code 2 Press amp to stop a buzzer for an abnormality only Although the above procedure cancels the check code the hardware error will be displayed again until the hardware repair is completed 83 9 3 4 How to diagnose by error code Defect mode detected by the water heat exchange O Possible x Not possible nace Diagnostic functional operation Code Operational canas Backup Auto
137. e rivet A Soundproofing board Outward winding 178 No Exchange parts name Work procedure Remarks Pulse motor valve coil 1 How to remove 1 Perform the step 1 1 2 Remove the coil from the pulse motor valve body by pulling upward while rotating the coil 2 How to attach 1 Fix the coil by exactly adjusting the coil positioning projection to the recess of the pulse motor valve body Recess Pulse motor valve body Motorized control valve coil Positioning projection Fan guard 1 How to remove 1 Perform the step 1 1 and step 2 NOTE Perform a replacement work on cardboard or cloth to prevent the product from being damaged 2 Remove the outlet cabinet and put with the fan guard side down 3 Release the hooks 8 positions of the fan guard 2 How to attach 1 Press the hooks 8 positions with hands from the front side to fix them NOTE Check that all the hooks are fixed to the given positions Fan guard Bellmouth Outlet cabinet Ra A if SN Hooks 179 2 3 HWS 1103H8 R E 1403H8 R E 1603H8 R E No Part name Procedure Remarks 1 A WARNING Stop operation of the air conditioner and turn off breaker switch CAUTION Ensure wearing of gloves when performing any work in order to avoid injury from parts
138. e the compressor 89 Defect mode detected by the remote control Diagnostic functional operation Check code Determination and action A Status of air T Operational cause conditioning Condition No communication between hydro Stop Defect in the remote control power Not unit an remote controller supply displaying at The remote control wiring is not 1 Check the remote controller wiring all connected correctly 2 Check the remote controller cannot The hydro unit has not been turned operate by 3 Check the hydro unit power supply the remote wiring control 4 Check the water heat exchange control board No communication between hydro Stop Displayed when Defect the reception of the remote unit and remote controller Automatic reset the abnormality control Disconnection of the crossover is detected 1 Check the remote control crossover E01 between the remote control andthe 2 Check the remote control base unit of the indoor unit 3 Check the hvd v wiri detected on the remote control sce atus powersubpiy MEME side 4 Check the water heat exchanger board Defect in the signal transmission Stop Displayed when Defect in the transmission of the remote to the hydro unit Automatic reset the abnormality control E02 Detected on the remote control side is detected 1 Check the transmitter circuit inside the remote control Replace the remote control S
139. eason Cooling season Cooling operation Outdoor TL sensor is normal Measure resistance Y Yes Outdoor fan is free from crack or looseness Y Yes puel fan operates normally Y Yes Something prevents outdoor unit heat exchange Yes Clogged heat exchanger short circuit y No Check for refrigerant overcharged clogged cycle pipe break abnormal overload etc If defective repair defective portion ye eae Se Replace sensor Check outdoor fan If defective replace or tighten it Check the same item as those for P22 abnormality Remove the disturbing element Y Something prevents heat exchange of hydro unit Yes Remove the Clogged filter Clogged heat exchanger Short circuit y No Check for refrigerant overcharged clogged cycle pipe break abnormal overload etc If defective repair defective portion disturbing element 117 Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts P22 lt Indication 1 gt lt Indication 2 gt ooeooe Blower system failure Power voltage is normal N AC220 230 V 10 single phase type No Check wiring Request power source repair
140. eat pump 2 2 Heating operation 1 Heater control at the time of heat pump operation Object to be controlled Backup heater The backup heater control starts when 13 minutes has passed after the heating heat pump operation started and select the ZONE A D The backup heater control increases decreases or maintains the number of heaters every 10 minutes FC depending on the difference between the heating set temperature TSC_F and the heater outlet temperature THO When the heating set temperature TSC_F is reached the hydro stops energizing the backup heater THO Abnormality detection A02 displayed Diff 2K Heater off 1 HWS 803H E only Heater output down every 5 10 15 or 20 minutes Diff 2K Heater output up every 10 20 30 or 40 minutes Status Heater ON OFF Heater 1 Backup heater 3 kW ON Heater 2 Backup heater 9 kW ON The single phase model of 3 kW has the backup heater 1 only The three phase model of 6 kW has heater 1 2 of 6 kW 60 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 2 Control at the time of heating heater operation Controlled Object Backup heater Booster heater The backup heater control starts when 13 minutes has passed after the heating heat pump operation started The backup heater control increases decreases or maintains the number of heaters every 10 minutes FC depending on the differen
141. ection Lock compressor and replace it TE TS sensor pulse motor valve check If defective replace 1103 to 1603H8 R E MCC 1596 H04 lt Indication 1 gt lt Indication 2 gt OOeoee Ooeeocee Case thermostat operation CN609 connector and case No Correct connector thermostat is normal Replace case thermostat Check outdoor board If defective replace it PC Board 803H E MCC 1571 1103 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1596 Correct defective portion Re charge refrigerant If case thermostat is short circuited No cooling and heating can operate Yes No gas leakage No Enough Refrigerant Yes No Service valve is fully opened Yes No Open fully service valve Correct defective portion Pulse motor valve is normal ps Check for piping collapse and break If defective repair or replace it Replace defective parts 110 Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts L10 Indication 1 Indication 2 gt oOooeoee ox X Fox X Model not set Only when service board is used Cut jumper line by following the instruction comes with the service board p
142. emp setting FC23 10 Boiler control functionality setting FC5B 0 HP Boiler Hot water amp cooling priority setting FC OF 1 hot water priority is necessary COOLING amp HOT WATER HP for cooling Heater for hot water HP for cooling Heater for hot water DP_SW02_1 ON The boiler is placed before the 3 way valve Boiler Outdoor Hydro unit Unit Buffer tank Radiator Boiler amp HP switching temp setting FC23 10 Boiler control functionality setting FC5B 0 HP Boiler Hot water amp cooling priority setting FC OF 1 hot water priority is necessary TO 10 10 lt TO HEATING Boiler HP HP HOT WATER Boiler HP HP HEATING amp HOT WATER Boiler HP HP COOLING _ HP TO2 10 COOLING amp HOT WATER HP for cooling Heater for hot water HP for cooling Heater for hot water 52 Item Operation flow and applicable data etc 8 2 Operation Mode and Control Method 7 2 Boiler output control zone heat pump operation Normally the heat pump operation is executed in the zone J zone heat pump operation and boiler operation 1 In the zone the heat pump boiler operation 2 is executed and the heater operation is executed in the hot water supply side TO zone Heat pump Diff 5K operation J zone 10 Heat pump
143. emperature sensor TS TH sensor error 1 Check the resistance value and F13 Open or short circuit in the heat sink x connection of the heat sink 1 120 temperature sensor temperature sensor TH TE TS sensors error 1 Check for any wrong installation of Open or short circuit in the temperature the heat exchange temperature F15 1 120 sensors sensor TE and the suction temperature sensor TS 1 EEPROM error x 1 121 Compressor breakdown 1 When the operation frequency lowers due to the current release 40 sec or 1 Check the power supply voltage later after the compressor activation AC220 230 V 10 single phase and it stops by underrunning the type minimum frequency S AC380 400 V 10 3 phase type m 2 When the operation frequency lowers 2 Over loaded condition of the bus Ris una limit Van and it refrigeration cycle DENS NE 3 Check that the service valve is fully frequency 3 When an excess current is detected 0 8 sec later after the compressor activation Compressor lock P 1 Defect of compressor lock TP 1 When the input current is more than Replace the compressor zero 20 sec later after the 2 Defect of compressor wiring open compressor activation and the phase activation has not been completed i Defect the current detection circuit 1 Replace the outdoor inverter control 8 410 board 87
144. er Release the stopper Remote 3 Disconnect the remote controller cable from the controller holder terminal block on the back side of the remote controller Remote 2 How to attach controller 1 Attach it in the reverse order of the removal Remote controller cable 3 Water heat 1 How to remove exchanger board 1 Perform the step 1 1 MCC 1511 2 Disconnect the connectors and lead cables connected to other parts from the water heat exchanger board 1 Connector CN100 TB 01 3P Connector 5P White CN101 Trans 3P White CN102 Trans 6P White CN200 Flow switch 3P Red CN201 Pressure switch 2P White CN202 Bimetal thermostat 3P Yellow CN203 TC sensor 2P Yellow CN204 TWI sensor 3P Brown CN205 TWO sensor 2P Red CN206 THO sensor 3P White CN207 Low pressure sensor 2P Blue CN212 Low pressure sensor 4P White CN213 TB 06 4P Terminal block 3P White CN214 TB 06 4P Terminal block 2P White CN305 TB 01 3P Terminal block 3P Green CN501 Relay board 6P Yellow CN601 Relay 05 Red CN602 04 6P Terminal block 7P White CN603 Pump 3P Yellow CN604 Relay 06 TB 04 4P Terminal block 7P Blue CN605 Relay 01 Relay 02 3P Yellow CN606 Relay 03 Relay 04 3P Blue 2 Round shape terminal 100 Ground ST2T 4 x 8 1 wire NOTE When removing the connector release the safety lock of the housing 3 Release the 6 stoppers of the water heat exchanger board to remo
145. erminal The reactor lead ring terminal does not have sleeve Be sure to attach the insulating sheet Applying beforehand a bit of heat release grease to the back side of the insulating sheet can easily paste the sheet to the heat sink Control board Fan motor upper Compressor case thermostat f Temperature sensor W n at BN Motorized control coil Indoor power source Screw for fixing board Screw for fixing element 9 positions a Insulating sheet grease Hear release 174 Exchange parts No Work procedure Remarks 4 Electric parts 2 Reactor replacement 1 Perform the step 1 1 2 Remove the reactor lead connected to the control board CN05 White CNO6 White 3 Cut the binding tie that binds the compressor leads and fan motor leads 4 Remove the reactor Truss B tight screw 4 x 6 2 screw 5 Attach a new reactor NOTE Be sure to bind the removed binding tie by using the commercially available binding tie Make sure that the fan motor lead and the reactor body do not contact each other Binding tie Compressor lead Reactor lead Reactor lead Binding tie Compressor lead ka Binding tie Fan motor lead Reactor lead Reactor lead Fan motor le
146. es or floor heating supply temperatures the unit performs Mixing Valve control When Mixing Valve Yes is selected the unit controls Mixing Valve every 4 minutes FC based on the difference TSC A T between the Zone2 set temperature and TFI floor inlet water temperature sensor temperature as follows TSC AT 2 lt TSC AT 2 lt TSC AT 2 2 TSC AT Control value 1 step Open 0 step 1 step Close Initial value Driving range 1 step Control cycle 6 0 12 3 WV move 7 5 degrees 4 min FC To enable 2 zone temperature control switch DP_SW12 3 to ON NOTE The mixing valve will automatically be reset if 24 hours pass with the valve fully closed Related FC FC No Setting item Default Setting available range 0C Mixing Valve operation time 60 30 240 sec 59 Mixing Valve control time 4 1 30 min 6 Room temperature control You can install a sub remote control separately purchased in a room to control room temperature 6 1 Installing the sub remote control Wiring with the main unit See the figure on the right After detaching the front panel connect the sub remote control to the right terminal on the main remote control which is connected with the hydro unit No polarity Place to install inside a room At the height of 100cm 150cm on a wall Opposite to the radiator or fan coil installed No assignment when floor heating is used on the room Right terminal
147. escription HWS 1103H E HWS 1403H E N _ ome moms N N N N N 708 43163055 HOLDER SENSOR 1 1 709 43163059 SPACER BUSH 1 1 710 43163060 _ SPACER COLLAR 1 1 204 Outdoor Unit HWS 1103H8 R E 1403H8 R E 1603H8 R E k 25 CE 4 QW Location Model name HWS N Part No Description 1103H8 R E 1403H8 R E 1603H8 R E 1 43019904 Holder Sensor 3 3 3 2 43032441 Nipple Drain 1 1 1 3 43047246 Bonnet 3 8 IN 1 1 1 4 43047669 Nut Flange 2 2 2 5 43049739 Cushion Rubber 3 3 3 6 4304C703 Compressor DA422A3F 27M 1 1 1 43050407 Thermostat Bimetal 1 1 1 8 43060029 Filter Noise 1 1 1 9 43063317 Holder Thermostat 1 1 1 10 43197164 Nut Flange 2 2 2 13 43100437 Panel Front Piping 1 1 1 14 43100438 Panel Back Piping 1 1 1 15 43100439 Panel Front 1 1 1 16 43100440 Plate Roof 1 1 1 17 43100470 Panel Side 1 1 1 18 43100442 Panel Air Outlet 1 1 1 19 43100443 Base Ass y 1 1 1 20 43107274 Guard Fin Side 1 1 1 21 43107275 Guard Fin Back 1 1 1 22 43107276 Hanger 3 3 3 23 43109422 Guard Fan 2 2 2 24 43120244 Fan Propeller PB521 2 2 2 25 4312
148. etc 1 Detachment 1 Remove the service panel Hexagonal screws 04 x 10 2 pcs Remove the screws and then pull service panel downward to remove 2 Remove the power supply cable and the indoor outdoor connecting wire from the cord clamp and the terminal 3 Remove the top plate Hexagonal screws 04 x 10 5 pcs 2 Attachment 1 Attach the top plate Hexagonal screws 04 10 5 pcs 2 Connect the power supply cable and the indoor outdoor connecting wire to the terminal and then fix with the cord clamp CAUTION The power supply cable and the indoor outdoor connecting wire must be affixed along the crossover pipe using a commercially available bundling band so that they do not make contact with the compressor gas valve gas pipe and discharge pipe 3 Attach the front panel Hexagonal screws 04 x10 2 pcs 180 No Part name Procedure Remarks 2 Discharge port 1 Detachment cabinet 1 Carry out the operation in 1 of 1 above Heat exchanger Motor base 2 Remove the screws fixing the inverter assembly the discharge port cabinet and the partition board ST1T x 8 4 pcs 3 Remove the screws for the discharge port cabinet and the bottom plate Hexagonal screw 04 x 10 2 pcs 4 Remove screw for the discharge port cabinet and heat exchanger ST1T 8 1 pc 5 Remove screw for the discharge port cabinet and the motor base ST1T 4 8
149. everal remote control base units Stop Displayed when 1 2 Check several base units with the E09 Detected on the remote control side The handset the abnormality remote control continues is detected The base unit is only one and others are handsets 90 9 4 Diagnosis flow chart for each error code 9 4 1 Hydro unit failure detection A01 Error Pump flow determination A01 occurs Operation restarts No N d Pump rotates o No pump sound Perform air vent Yes Flow switch is connected to board No Connect flow switch connector to board Excess air noise comes from inside the pump Yes No Built in pump is connected to board No Connect pump connector to board Yes No Flow switch is normal Replace flow switch Chattering noise comes from flow switch Replace pump Pump stops 2 3 minutes after its rotation started Flow shortage Identify causes and resolve TC sensor characteristic gt Replace TC sensor is correct Dirt clogging inside water circuit Remove waste Yes strainer COMPE s Fit buffer tank and the or 5 less branches second pump No Attach or replace Flow switch is normal flow switch Yes Water heat exchanger control board is defective replace it A02 Error Temperature rise and error short circuit CW TWO THO 270 C Replace TWI TWO and THO sensors No
150. f switching to cooling cycle or to heating cycle The board are energized for 10 seconds Take more than a minute the next check because the parts coil resistance R700 generate large heat This does not apply when no coil is connected 2 After the check set all the SW804 dip switches to OFF Switching to cooling cycle Switching to heating cycle SW804 SW801 CN701 N SW804 SW801 CN701 IN En 25 Ee D D zm re SUE press SEXT Press 180DCV or higher 180DCV or higher Note Check with a tester With an analog tester If a tester shows 180DCV or higher the board is good With digital tester Although values shown has some range if its maximum value is 180DCV or higher the board is good 1103 to 1603H8 R E The 4 way valve coil of 1103H8 R 1603H8 R E is not self hold type 116 Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts P20 lt Indication 1 gt lt Indication 2 gt ooeoee Hi pressure protection operation No Service valve is fully opened Reset the power source and perform Open fully service valve Heating season Heating operation a trail operation according to the s
151. firmed first 9 1 1 Check the power supply voltage Check that the power supply voltage is AC220 230 V 10 signal phase type AC380 400 V 10 3 phase type If the power supply voltage is not in this range it may not operate normally 9 1 2 Check for any miswiring of the connection cables between the hydro unit and the outdoor unit The hydro unit and the outdoor unit are connected with three connection cables Make sure the interconnecting connections between the hydro unit and the outdoor unit terminal blocks are connected to the correct terminal numbers If not connected correctly the heat pump system does not operate However a miswiring would not cause damage to the equipment 9 1 3 About the installation of the temperature sensor If each sensor is removed due to the replacement of the water heat exchange or inverter board or the replacement of the refrigeration cycle parts make sure to put the sensor back to the position where it was before Each sensor position has a marking Make sure to put it back to the exact position Make sure to install it with a sensor holder so that the temperature sensing part of the sensor and the straight part of the copper piping are attached with each other tightly If the installation of the sensor is incomplete or the installed position is wrong it will not perform a normal control operation and may cause a defect such as a malfunction of the equipment or an occurrence of an abnormal s
152. g valve Refer to wiring diagram of hydro unit on connection correct page 22 Yes Mixing valve setting No Make the mixing valve is correct setting correct Yes FC 0 Mixing valve rumning time 30sec to 120sec TFI sensor is attached to pipe No Attach TFI sensor to pipe Yes TFI sensor characteristic is normal No Replace TFI sensor Refer to Charasteristic table on page 122 Yes TWI sensor characteristic is normal No Replace TWI sensor Refer to Charasteristic table on page 122 Yes TWO sensor characteristic is normal No Replace TWO sensor Refer to Charasteristic table on page 122 Yes Replace water heat exchange control board 106 F23 Error Low pressure sensor detach failure Lo pressure sensor is detached CN207 212 Attach lo pressure sensor Replace lo pressure sensor Replace water heat exchange control board 1 How to determine When operation is stopped F29 Error EEPROM failure A failure is detected in the IC10 non volatile memory on the water heat exchanger board during a hot water supply unit operation Replace the service board fthe unit does not have EEPROM inserted when the power is turned on or if EEPROM data read or write is unavailable automatic address mode repeats In this case the intensive control unit displays 97 Abnormal Approx 3 mins X Approx 1 mins Power on Handy remote Se
153. gt j TIME DAY STEP OPERATE MODE HOT WATER BOOST Ke o 2 1 8 TEST fRSIHUETON AUTO TEMP ANTI BACTERIA 4 J Co JE 8 15 9 Anti Bacteria Setting This setting regularly raises the hot water cylinder temperature to prevent bacteria from growing 1 Press the HOT WATER button to start a hot water supply operation Normal hot water supply operation __ 20 2 TU WE TH FR SA SU No anti bacteria setting is provided to heating and cooling 2 Z0 LL 2 Pressing the ANTI BACTERIA button displays the i TEMP symbol See display gt The set temperature does not change The hot water supply operation SCHEDULE S uum of 75 C starts o IE gt o The anti bacteria operation raises water temperature to 75 C withthe CoC Cea heat pump and heater and automatically ends after 30 minutes SET CL TEST AUTOTEMP ANTI BACTERIA OO CE 3 After that an anti bacteria operation automatically starts at the set time and cycle 4 Pressing the ANTI BACTERIA button makes disappear and the anti bacteria operation does not start 2 4 1 How to set anti bacteria temperature and holding time In FC 0A or OB See 2 2 the set temperature and holding time can be changed FC 0A Set temperature change range 70 to 80 C 75 C default FC 0B Holding time change range 0 to 60 minutes 30 minutes default
154. he electronic parts such as a compressor drive element and compressor from failing The current release control value 1 is selected from the following table according to the TO sensor value Current release control value 1 Temperature range 803H E 1103H E 1403H E 50 C lt TO 10 5 14 1 14 1 45 C lt lt 50 C 10 5 14 1 141 39 lt lt 45 14 0 14 1 16 4 lt 39 16 0 14 1 16 4 10 5 14 1 14 1 Temperature range 1103H8 R E 1403H8 R E 1603H8 R E 47 C lt TO 7 5 7 5 7 5 39 C lt TO lt 47 C 7 8 8 7 9 6 10 lt lt 39 C 9 6 9 6 9 6 1 5 7 5 7 5 5 Outdoor fan control The outdoor side control part controls the number of fan motor rotations by receiving an operation instruction from the indoor side Hydro unit control part Although the fan motor is a DC motor which has non step variable numbers of rotations it is limited to some steps for convenience of control The number of fan tap rotation allocation rpm wi W2 W3 W4 W5 W6 ws 803H E 200 230 260 300 340 380 420 460 1103 Upper 200 240 240 260 320 380 480 500 1403H E 1103 to 1603H8 R E Lower 200 200 200 280 360 400 500 520 W9 WA WB wc WD WE WF 803H E 520 570 600 630 670 710 740 1103 Upper 530 610 640 660 720 780 890 1403H E 1103 to 1603H8 R E Lower 550 630 660 700 740 820 910
155. he operation controls shown on the left while also controlling the circulation pump hot water cylinder heater Swv 4 The outdoor unit controls the compressor outdoor fan motor electric expansion valve and 4 way valve based on the operation signals transmitted by the hydro unit 3 Heating operation ZONE1 2 button set to ON Hydro unit control Operation instruction signal transmit Outdoor unit control Set temperature TSC F Heating temperature 20 C to 55 C Circulation pump ON OFF control Water 3 way valve control Water 2 way valve control Mixing Valve control Backup heater control Booster heater control Number of compressor revolutions control Number of outdoor fan motor revolutions control Pulse motor valve control 4 way valve control 20 T1 0 T3 20 A B C D E Setting available range 20 to 55 C T1 Setting available range 15 to 0 C T3 Setting available range 0 to 15 C Heating operation T 2 Purpose Heating Details This section performs heating operation according to heating conditions specified for the steps on the left Operations 1 Set the ZONE 1 2 remote controller button to ON 2 The hydro unit controller starts to transmit a heating operation signal to the outdoor control unit 3 The hydro unit performs the operation controls shown on the left while also controlling the circulation pump backup booster
156. heater ON OFF water 2 way valve and water 3 way valve 4 The outdoor unit controls the compressor outdoor fan motor electric expansion valve and 4 way valve based on the operation signals transmitted by the hydro unit 45 Item Operation flow and applicable data etc Operation description 8 1 Basic Operation 4 Cooling operation ZONE1 2 button set to ON A Hydro unit control Operation instruction signal transmit Outdoor unit control Cooling temperature 10 C to 25 C Circulation pump ON OFF control Water 3 way valve control Water 2 way valve control Number of compressor revolutions control Number of outdoor fan motor revolutions control Pulse motor valve control 4 way valve control NOTE No coding mode in default setting When use the cooling mode please change the 2602 to 0 Related FC FC No Setting item Default Setting available range 02 Cooling mode availability 1 No 0 Yes 1 2 Purpose Cooling Details This section performs cooling operation according to cooling conditions specified for the steps on the left Operations 1 Set the ZONE 2 remote controller button to ON 2 The hydro unit controller starts to transmit a cooling operation signal to the outdoor unit control unit 3 The hydro unit controller performs the operation controls shown on the left while
157. hes to OFF indicates the current abnormality status 2 Setting SW803 dip switch lt 1 gt only to ON indicates the previous abnormality including the current one 3 An abnormality lights any of the LEDs from D800 to D804 Indication 1 4 Pressing the push button switch SW800 for approx 1 second switches indication Indication 2 5 When SW800 is again pressed or 2 minutes has passed the indication 1 status returns Current abnormality Latest abnormality SW803 L 1 ge Cle Indication 1 Indication 2 Remote controller eese indication SW800 operation Abnormality details Abnormality code SW803 lt gt lt lt lt Light Blink r 000000 Discharge temperature sensor TD failure eooeeo Heat exchanger temperature sensor TE failure 000000 Heat exchanger temperature sensor TL failure 000000 Outside air temperature sensor TO failure 000000 Suction temperature sensor TS failure OO OO OO OO OOO OO 000000 Heat sink temperature sensor TH failure 000000 Heat exchanger suction sensor TE TS wrong wiring 000000 EEPROM failure Compressor break down eoceeeo Compressor lock 000000 Current detection circuit failure 000000 000000 Faulty compressor case thermostat Not set up the capacity L10 L29 00000
158. hile also controlling the water 2 way valve water 3 way valve circulation pump mixing valve hot water cylinder heater and backup heater 4 The hydro unit controller transmits an operation instruction to the outdoor unit and uses serial signals to transmit and receive control statuses 5 The outdoor unit control unit performs the operation controls shown on the left while also controlling the compressor outdoor fan motor pulse motor valve and 4 way valve 44 Item Operation flow and applicable data etc Operation description 8 1 2 Hot water supply operation Hot water supply operation Basic 1 Purpose Operation HOT WATER Hot water temperature 40 C to 75 C Hot water supply button set to ON 2 Details 1 This section performs hot water supply i operation according to Hydro unit Circulation pump ON OFF control heating conditions Water 3 way valve control specified for the steps Hot water cylinder heater control on the left 3 Operations Operation instruction signal transmit Outdoor unit control Number of compressor revolutions control Number of outdoor fan motor revolutions control Pulse motor valve control 4 way valve control 1 Set the HOT WATER remote controller button to ON 2 The hydro unit controller starts to transmit a hot water supply operation signal to the outdoor unit control unit 3 The hydro unit performs t
159. ics of hydro unit The following shows the Q H characteristics 12 1 HWS 803XWHM3 E T6 E D6 E T9 E Hydraulic heat exchanger 8kW QH characteristics Minimum flow rate Pump head m Out of Operation Range 20 Flow rate L min 12 2 HWS 1403XWHM3 E T6 E 06 T9 E Hydraulic heat exchanger 14kW QH characteristics Minimum flow rate N Pump head m 0 5 10 15 20 25 30 35 40 45 50 55 60 65 Flow rate L min 69 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 13 Automatic restart control The unit records operation information before a power outage and retrieves the information after the power is restored to restart automatically the operation with the information 13 1 Operation during remote controller The operation status before a power outage automatically restarts after the power is restored The merit functions are also enabled Approximately 6 hours or more after a power outage The operation status before a power outage automatically restarts after the power is restored But the merit functions Night Set Back Anti Bacteria are disabled The remote controller time displays The merit functions are disabled 13 2 Operation during forcible automatic operation A forcible automatic operation is performed when the power is restored after a power out
160. ifications LO9 The capability code for the hydro unit x y sp 1 108 has not been set HWS 803xx E 0012 HWS 1403xx E 0017 Setting error L16 When has not been set while x x 1 Check the body DP SW12 2 3 1 108 ZONE2 has been set 86 Defect mode detected by the outdoor unit O Possible x Not possible Diagnostic functional operation Number of Check ae abnormalities Detailed code Operational cause Backup Automat Determination and action for item p present ic reset confirmation TD sensor error 1 Check the resistance value and 102 F04 Open or short circuit in the discharge x connection of the discharge sensor 1 119 temperature sensor TD TE sensor error 1 Check the resistance value and 102 206 Open or short circuit in the heat x connection of the heat exchange 1 119 exchange temperature sensor temperature sensor TE TL sensor error 1 Check the resistance value and 102 207 Open or short circuit in the heat connection of the heat exchange 1 119 exchange temperature sensor temperature sensor TL TO sensor error 1 Check the resistance value and 103 208 Open or short circuit in the outdoor x connection of the outdoor 1 120 temperature sensor temperature sensor TO TS sensor error 1 Check the resistance value and F12 Open or short circuit in the suction x connection of the suction 1 120 temperature sensor t
161. iler install position After 3WV heating side Before 3WV After 3WV OFF Before 3 WV r heating 02_2 _ _ OFF 02_3 _ _ OFF 02_4 Room thermostat No OFF 1 3 SW10 Pump switching SW10 Switching details Factory default Remarks Pump P1 operation during hot water mode Heat pump 10_1 OFF P1 ON during heat pump activate activate OFF ON P1 Continues run Pump P1 operation during room heating P1 pump stop or not using out side air temperature 10 2 OFF Continues run Continuous run OFF ON Pump P1 stop when TO gt 20 C Available to change the temperature setting by FC 9E 10 3 Pump P2 interlock with P1 Yes No Yes OFF 10 4 _ OFF 1 4 SW11 Heater Yes No switching SW11 Switching details Factory default Remarks 11 1 Hydro unit backup heater Energized Yes No Energised OFF 11 2 Hot water cylinder heater Energized Yes No Energised OFF 11 3 External booster heater output Enabled Yes No Enabled OFF 11 4 _ _ OFF 1 5 SW12 System switching 2 SW12 Switching details Factory default Remarks 12 1 Hot water supply Yes OFF 122 ZONE1 Yes OFF 12 3 ZONE2 No OFF 12 4 _ OFF 127 1 6 SW13 System switching 3 SW13 Switching details Factory default Remarks 13_1 3WV SPST SPSD Specification switching SPST OFF 13 2 Boiler output enabled No OFF 13 3 Auto Restart of power outage Yes OFF 13 4 OFF 2 Hydro unit Function Code Setting 2 1 How to set function code Procedure Perform the f
162. in pump P1 s action during how water supply operation OFF HP operation SW10 1 HP operation only Always energized only 02 Built in pump P1 s action during heating operation OFF Always SW10 2 Always energized Turned off when TO sensor detect over than 20 C energized 03 Enhancing pump P2 s action OFF Interlock SW10 3 Interlock Non interlock with the built in pump P1 04 None If the enhancing pump P2 is set to Non interlock the pump P1 is always energized 3 1 Controlling the built in circulation pump P1 Pump type AC motor rated voltage 230V three speed changed manually The pump operation starts under the condition below When the HOT WATER or ZONE1 2 button is pressed The pump operation stops under the condition below When the HOT WATER or ZONE1 2 button is pressed Operation will stop fully in about 1 minute The pump operation stops restarts under the conditions shown below When changing operation modes the pump stops for 30 seconds Boller Is Installed or not Bolle position Stopireatart temperatures TWI or TWO or THO 0 0 After 3 way valve heating side 70 C 68 C Not installed 1 Before 3 way valve 70 C 68 C 1 0 After 3 way valve heating side 70 C 68 C Installed 1 Before 3 way valve 58 55 C 3 2 Controlling the built in pump P1 during the hot water supply operation You can change the action of the buil
163. indication No specific description indicates outdoor unit parts F31 Indication 1 Indication 2 gt EEPROM failure PC Board Check outdoor control board 803 to 1403H E MCC 1571 If defective replace it 1103 to 1603H8 R E MCC 1599 Ooeeoo 000000 121 9 4 3 Temperature sensor temperature resistance characteristic table TC TWI TWO TFI TTW TE TS TO sensors TD TL sensors Typical value Typical value Resistance value kQ Resistance value kQ Temperature CC Minimum Standard Maximum Temperature C Minimum Standard Maximum 10 55 42 55 73 60 04 150 5 161 3 172 7 0 32 33 33 80 35 30 92 76 99 05 105 6 10 19 63 20 35 21 09 58 61 62 36 66 26 20 12 23 12 59 12 95 47 01 49 93 52 97 25 9 75 10 00 10 25 37 93 40 22 42 59 30 7 764 7 990 8 218 25 12 26 55 28 03 40 5 013 5 192 5 375 17 00 17 92 18 86 50 3 312 3 451 3 594 11 74 12 34 12 95 60 2 236 2 343 2 454 8 269 8 668 9 074 70 1 540 1 623 1 709 5 925 6 195 6 470 80 1 082 1 146 1 213 4 321 4 507 4 696 90 0 7740 0 8237 0 8761 3 205 3 336 3 468 0 5634 0 6023 0 6434 TC TWI TWO TFI TTW TE TS TO sensors 60 50 40 30 Resistance kQ 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature C TD TL sensors 200 0 15 150 100 10 50 Resistance kQ 50 C or lower Resi
164. inst the remote and Control controller set temperature from the setting start time 22 00 to the end time 6 00 every day Method Note Set the remote controller time before starting NIGHT SET BACK operation The set time can be changed with remote controller FC See page 114 Related FC FC No Setting item Default Setting available range Remote controller Night set back start Time setting 22 00 0 00 23 00 OE Remote controller Night set back end Time setting 6 00 0 00 23 00 OF 26 Night set back setting Temperature width 5 degree 3 20 degree 58 Night set back setting activate 0 Zone 1 amp 2 1 Zone 1 only 11 FROST PROTECTION operation A frost protection operation performs heating at the set temperature RSC F 15 C FC 1 How to operate e Pressing the remote controller ZONE 1 2 button and then the FROST PROTECTION button starts a heating operation at the set temperature of 15 C Pressing again the FROST PROTECTION button cancels the FROST PROTECTION operation The remote controller displays F as the temperature during FROST PROTECTION Aset temperature change during a FROST PROTECTION operation cancels the operation 2 Automatic stop of frost protection operation The operation period of frost protection can be set at FC 12 and 13 on the remote control Longest period available 20 days and 23 hours By entering the operation period day and hour at FC 12 and 13
165. int A flared joint cannot be used for the copper pipe whose outer diameter is 20 mm or larger A socket joint can be used instead in that case Table 2 2 3 and 2 2 4 show the dimensions of flare pipe the end of flared joint and flare nuts Socket joint A socket joint is used to connect the thick walled pipe of mainly 20 mm or larger in diameter Table 2 2 shows the wall thickness of socket joints Table 2 2 The minimum wall thickness of socket joints Nominal diameter Reference of outer diameter of Minimum joint wall thickness copper pipe connected mm mm 3 8 9 52 0 80 5 8 15 9 1 00 2 2 2 Processing of piping materials When installing refrigerant pipe prevent water or dust from entering the pipe and do not use oil other than lubricant used for Air to Water Heat Pump Make sure that no refrigerant leak occurs If piping needs lubrication use lubricating oil whose water content is removed After the oil is put in be sure to seal the container with airproof cover or other covers Flare and precautions 1 Cut a pipe Cut slowly with a pipe cutter so that the pipe is not distorted 2 Remove burr and flaw A burr or flaw in a flare part may cause refrigerant leak Remove carefully all the burrs and clean up the cut ends before installation 3 Insert a flare nut 4 Flare Check that the clasps and copper pipe are clean Flare correctly using the clasp Use aflare tool for RA10A orthe convention
166. ion has passed the each function stops and LED D805 Green returns to continuous lit Special operation SW804 Operation when press button switch SW801 is pressed Refrigerant recovery operation The outdoor unit operates cooling The hydro unit may freeze with this operation alone Remove beforehand the water in the hydro unit See 16 1 Cos s Hydro unit cooling request SW804 Performs a trial cooling operation See Note1 Coe CoM 0 Hydro unit heating request Performs a trial heating operation See 1 CoH gt Scu Fan motor forcible operation Forcibly performs fan motor operation When SW801 is pressed again or after 2 minutes the operation returns to the normal control SE NOR No operation particularly Ces Cols L0 PMV full open operation Caution Fully opens PMV Pulse motor valve Although these B When SW801 is pressed again or after 2 minutes the operation controls are available Ls returns to the normal control during an operation m basically perform PMV full close operation them When ne Fully closes PMV Pulse motor valve en Ee When SW801 is pressed again or after 2 minutes the operation prog 4 returns to the normal control Performing these zco controls during an operation may cause PMV half open ope
167. is be careful for the compressor lead not to 5 contact the discharge pipe 0 to 50 Bind the lead at 2 positions Fix the removed sensors and pulse motor valve coil i d een mn lead to the outlet and suction pipes through the piping cover by using a binding tie At this time be Place soundproofing board Outward winding careful for the sensors and pulse motor valve coil through between suction pipe and accumulator lead not to contact the discharge pipe Suction pipe To fix the sensors and leads use the black piping cover for heat resistance and a commercially available binding tie for heat resistance Attach the soundproofing board Inward winding Outward winding as shown in the right figure through between the compressor and between the piping and parting board Place the compressor lead and the compressor case thermostat so that they fall into between the inward winding and outward winding of the soundproofing board Piping cover Binding tie TS sensor de polite m Outlet pipe Soundproofing board Upper Black piping cover for heat resistance and Binding tie for heat resistance Sensors TL TO TE TD TS Pulse motor valve coil lead w Do not make gap between soundproofing 4 boards Upper and Outward winding Keep sensors away for not contacting outlet pipe 4 __ uma 54 Soundproofing board ar
168. l 30A 4P 1 1 1 710 43060859 Fuse Block 30A 250V FH153 PB 1 1 1 711 4316V416 P C Board Ass y MCC 1596 Comp 1 1 1 IPDU 712 4316V391 ai Ass y 1597 Fan 1 1 1 713 3026V015 P C Board Ass y MCC 1599 CDB 1 1 1 714 4316 398 Board Ass y MCC 1600 N F 1 1 1 715 43063325 1 1 1 717 43160590 Fuse 6 3A AC250V 3 3 3 718 43282001 Bushing 5 5 5 719 43183020 Collar 5 5 5 720 43063248 Supporter Ass y 2 2 2 721 43060700 Fuse 10A 250V 1 1 1 208 209 210 TOSHIBA CARRIER CORPORATION 23 17 TAKANAWA 3 CHOME TOKYO 108 0074 JAPAN
169. l Be careful not to scratch the O ring otherwise water leakage may occur 2 How to attach 1 Attach a new flow switch in the reverse order of the removal NOTE As shown on the right place a flow sensor parallel to the water heat exchanger inlet pipe so that the wire is place on the right side from the front view After the flow switch replacement repair open the water supply source valve and water piping valve to pass water through the hydro unit and check that the flow switch connection has no water leakage Flow switch Water heat inlet pipe N 14 Manometer To replace a water circuit part first close the water supply source valve and the valve of water pipe connected to the hydro unit How to remove 1 Perform the step 1 1 and step 5 and 6 2 Remove the manometer After the manometer replacement repair open the water supply source valve and water piping valve to pass water through the hydro unit and check that the manometer connection has no water leakage Manometer 159 No Exchange parts name Work procedure Remarks 15 Heater assembly To replace a water circuit part first close the water supply source valve and the valve of water pipe connected to the hydro unit How to remove 1 Perform the step 1 1 step 5 6 7 and 11 2 Remove the nut of the heater connection
170. l wave rectifier input alive time 10 sec or less 4 Pulse motor valve PMV coil CAM MD12TF 15 DC12 V 5 Compressor case thermostat US 622KXTMQO SS OFF 125 4 ON 90 5 6 Reactor CH 56 5 8 mH 18 5 A 7 PC board MCC 1571 Input 1 AC220 230 V 10 50 60 Hz 28 HWS 1103H E 1403H E No Component name Type name Rating 1 Compressor DA422A3F 25M 2 Outdoor fan motor x2 ICF 280 A100 1 Output 100 W 3 Reactor x2 CH 44 1 4 mH 25 A 4 4 way valve coil AC220 230 V full wave rectifier input alive time 10 sec or less 5 Pulse motor valve PMV coil UKV A038 DC12V 6 MCC 1560 Input 30 AC230 V 23 V 50 60 Hz 7 Compressor case thermostat US 622KXTMQO SS OFF 125 4 C ON 90 5 C 8 PC board MCC 1571 Input 16 AC220 230 V 10 96 50 60 Hz 29 HWS 1103H8 R E 1403H8 R E 1603H8 R E No Component name Type name Rating 1 Compressor DA422A3F 27M 2 Outdoor fan motor x2 ICF 280 A100 1 Output 100 W 3 Reactor CH 78 4 2 mH 16 4 Reactor CH 68 18mH 5 A 5 4 way valve coil STF 01A5502E1 AC220 230 V 6 Pulse motor valve PMV coil UKV A038 DC12 V 7 PC board Compressor MCC 1596 8 PC board Fan motor drive MCC 1597 9 PC board Control MCC 1599 10 PC board Noise filter MCC 1600 11 High pressure switch ACB 4UB83W OFF 4 15 0 0 3 Mpa 12 Compressor case thermostat US 622 OFF 1
171. le setting 135 6 2 How to start and cancel schedule operation lt Operation start gt Without schedule operation set press the remote controller SCHEDULE O D button blinks Pressing the SET button during the 5 second blinking changes to lit and the schedule operation starts lt Operation cancel gt With schedule operation set press the remote controller SCHEDULE C button blinks Pressing the CL button during the 5 second blinking causes to put out and the schedule operation is cancelled 7 Frost Protection Setting This setting keeps a room with weak heating when users are not home for long hours 1 Press the ZONE1 2 button to start a heating operation This is available only for a normal heating operation gt E s No frost protection setting is provided to hot water supply and cooling LE 2 Pressing the FORST PROTECTION 8 button displays the amp symbol and F for temperature setting See display gt E TEMP SELECT The heating operation of 15 C is set In 3B in 2 2 section the set CA 4 temperature can be changed in the range of 10 to 20 C SCHEDULE SCS GEREEEER Co JE gt ME o 3 Pressing the FORST PROTECTION button makes TIME DAY OPERATEMODE HOTWATERBOOST disappear and the set temperature returns to the normal heating QO Giz C22 temperature Pressing the ZONE1 2 button ends both OO e Ce
172. lity including the current one SW803 After the abnormality status is released this setting enables users to see the previous abnormalities Cus Previous abnormality can be checked even if the power is once turned off f there is an abnormality now the abnormality details of the current one is displayed ama This setting does not display a TO sensor failure Check for the failure with the setting for current abnormality See 2 2 Temperature sensor indication TD TE TS These switches indicate the temperature sensor detecting value Swe03 5803 50803 TC TWO 2 heating hot water supply E E hi TC TWO cooling Lie 5 oo See 2 3 L0 m SL u TO TL TH SW803 SW803 SW803 L r OD el leo E Jo Blei E ca m TWI SW803 SW803 LT t r EH Jo leo Con Con O m Current indication SW803 This switch indicates the current value in the outdoor unit ms See 2 3 ON mm Compressor operation frequency indication SW803 This switch indicates the compressor operation frequency See 2 3 Be Ere PMV position indication SW803 This switch indicates PMV Pulse motor valve position ms See 2 3 mm 147 2 2 Abnormality indication The current abnormality and the latest abnormality including the current one can be identified by the LED D800 to D804 on the outdoor control board 1 Setting all the SW803 dip switc
173. logging Replace flow switch circulation amount a TENA inside water circuit inside strainer etc 12 M or longer Fit buffer tank and the Second pump Chattering from flow switch water pipe to Circulation a branch or 5 or flow shortage less branches No Water heat exchanger board DP SW11 1 is ON No Set DP SW11 1 to ON Yes Backup heater terminal has 230ACV 23V No Power is connect to backup heater terminal Yes No Connect backup heater power cable Yes Set heater breaker to ON Check indoor wiring Backup heater element is conductive No Replace backup heater unit Backup heater NG No Replace TC TWO Refer to Charasteristic table on page 122 and TWI sensors Replace water heat exchange control board 94 A05 Error Piping freeze prevention control Restart TWI lt 4 TWO lt 4 or THO lt 4 is detected Circulation pump keeps being energized or 3 minutes passed after the start Water heat exchange control board DPSW11 1 is ON No Set water heat board DPSW11 1 to ON Yes Backup heater terminal No has 220 230V 10 Yes Power is connect to built in heater termina No Place power cable for backup heater Yes Set breaker for backup heater to ON or Check indoor electronic wiring Backup heater element Replace backup heater is conductive Backup heater NG
174. lowing modes to be flexibly set hot water supply heating cooling hot water supply and heating hot water supply and cooling and stop and set temperature 6 1 How to set scheduled operation lt Preparation gt Set the remote controller time 1 Press the remote controller SCHEDULE button for 4 seconds or longer See display gt Moves to the schedule setting mode The following blink Giza and P1 indications items to be yi 2 nls Para Li L L C zonei J ZONE2 gt HOT WATER 4 SETTING set the set temperature of ZONE1 2 and HOT WATER previous 4 set temperature day PWA and time 2 00 1 4 ERE 2 Specify to be set 6 SCHEDULE NIGHT ZONE 1 2 HOTWATER Press the DAY _ button to move day Y to the day to be set 7 eo Ce Coy Ce moves by each button press from MO through SU From SU eo e x pum the symbol moves to MO through SU Every day 4 s wore Press the SET _ button to confirm the day to be set IOS OCI Bu 3 Specify a step from among steps 1 to 8 Press the STEP button to specify a step to be set 3 6 7 2 7 4 The selection moves by each STEP button press among 1 to 8 C and L Selecting C copies the day details already set Go to 7 Selection L clears the setting details Press the SET button to confirm the
175. lt Discharge between terminals gt When the front panel and cabinet are removed make short circuit current to discharge between high pressure capacitor terminals Failure to do so may cause a high voltage electric shock leading to death or injury After the power is turned off the high pressure capacitor is still charged with high voltage lt Forbidden gt Do not turn on the power breaker after removing the front panel cabinet Failure to do so may cause a high voltage electric shock leading to death or injury WARNING lt Check earth ground gt Before starting failure diagnosis or repair check that the ground wire is connected to the unit ground terminal An unconnected ground wire could cause an electric shock if electric leakage occurs Ifthe earth ground is not properly connected ask an electrical worker for rework of the ground connection Ground wire of class D grounding N WARNING lt No modification gt Do not modify the unit Do not disassemble or modify the parts also A fire an electric shock or an injury may occur Use specified parts Use the specified parts when replacing them Using parts other than specified ones may cause a fire or an electric shock For details see the parts price list Keep children away from unit Keep any person including children other than service engineers away from a failure diagnosis or re
176. mages to the fan or abnormal motor sound 7 Cycle parts Annually Operation check by trial run Compressor 4 way valve Pulse motor valve Annually 8 Inverter control board Terminal block Annually Check for loose connector and connecting terminal Hot water cylinder HWS 150CSHM3 E UK Frequency Periodic inspection details 210CSHM3 E UK 300CSHM3 E UK 1 Insulation measurement Power source circuit Annually Insulation measurement with a mega tester 2 Power source measurement No load voltage Annually Electronic voltage measurement 220 230V 10 3 Water leakage inspection Annually Visual inspection for leakage No leakage must be found 4 Terminal block Annually Check for loose connector and connecting terminal 5 Heater assembly Annually Check for appearance damage deformation or loose terminal 6 Temperature Pressure relief valve Specification for Annually Drainage check UK only 193 14 Part Exploded View Part List Hydro Unit 9 96 D OG 203 A215 201 194 JA JA N i B ii D Hs i ST Sis epi Be CI ads k R 9 B wee LUE EE A tf 195 Number of pieces per unit A Non PartNo Bei vey saw saw saw HD9 E
177. mat Determination and action a mor Ni etali present ic reset confirmation Pump or flowing quantity error 1 Detected by TC sensor 63 is detected in the heating or 4 91 hot water supply heat pump operation except for defrosting 1 Almost no or little water flow Not enough vent air 2 Detected by flow switch abnormality Dirt clogging in the water piping When no signal of the flow switch is system 2 91 showing 2 min after the built in pump The water piping is too long Operation started Installation of buffer tank and A01 3 Detection of chattering abnormality in secondary pump the flow switch input Chattering detection Detects input 4 91 changes OFF lt ON 4 times within 10 seconds during operation 4 Disconnection of the flow switch connector 1 Disconnection of the flow switch When the stopped built in pump starts connector 2 91 its operation the flow switch status is 2 Defect of the flow switch detecting water flow Temperature increase error heating Heating 1 Check the water inlet water outlet When one of the TWI TWO and THO x and heater outlet TWI TWO THO 02 sensors exceeds 70 C S sensors 1 92 2 Defect of the backup heater defect o automatic reset thermostat Temperature increase error hot water Heating 1 Check the hot water cylinder sensor A03 supply o TTW 1 9 When the TTW sensor exceeds 85 Hot water 2 Checkthe hot water cylinder thermal x cut out
178. me time for 4 seconds or longer to call the service monitor mode D D D BE The service monitor lights up and the temperature of CODE No TIME DAY STEP OPERATEMODE HOT WATER BOOST 00 displays at first See display gt COC OLA 2 Press the TEMP v button for temperature setting to change the item code to one to be monitored The following table shows the item codes 13 Item code Data name Unit 00 Control temperature Hot water cylinder C 01 Control temperature Zone1 02 Control temperature Zone2 C E 03 Remote controller sensor temperature G ded 04 Condensed temperature TC C s 06 Water inlet temperature TWI C 5 07 Water outlet temperature TWO 08 Water heater outlet temperature THO C 09 Floor inlet temperature C 0 Hot water cylinder temperature TTW C 0B Mixing valve position step OE Low pressure Ps x 100 MPa Item code Data name Unit 60 Heat exchange temperature TE C 61 Outside air temperature TO C 8 62 Discharge temperature TD C 9 63 Suction temperature TS C 65 Heat sink temperature THS 5 Current A 3 6D Heat exchanger coil temperature TL C 8 70 Compressor operation Hz Hz 72 Number of revolutions of outdoor fan lower rpm 73 Number of revolutions of outdoor fan upper rpm 74 Outdoor P
179. mp operation for hot water supply permitted not 0 Not permit 1 Permitted Heat pump permitted may run for hot water supply 51 Item Operation flow and applicable data etc 8 2 Operation Mode and Control Method 7 Boiler control The boiler assists the hot water supply operation and heating operation according to the boiler s position 7 1 Boiler setting TCB PCINSE optional P C board is required Connect its connection cable to CN208 port on the PC board of the hydro unit Setting DPSW on the hydro unit DP SW13 2 ON OFF switches Using boiler Not using boiler Default Set the switch to ON when using the boiler The temperature switching the boiler and heat pump FC 23 10 C Default See the next item The boiler output becomes effective when the outside air temperature is 10 C or less Boiler position setting DP SW02 1 ON OFF must be switched in accordance with the boiler position from the 3 way valve before the 3 way valve after the 3 way valve and in the heating side Default When the switch is set to ON the boiler runs in the hot water supply operations or heating operation The action of the 3 way valve depends on heat pump s action and the boiler follows their action When the switch is set to OFF the boiler runs in heating operation Also the boiler runs when the heat pump is running for hot water supply while heating and supplying hot water simultaneously Priority set
180. nal for MCC 1600 CN17 201 Electric circuit protective fuse 500V 31 5A CN11 Red Terminal for power relay Red Terminal for PTC thermistor CN211 Red CN212 White CN213 Black CN19 Yellow CN20 Yellow Compressor output terminal Terminal for reactor CH78 35 MCC 1597 Fan Motor IPDU CN750 White Fan motor output Upper side CN504 Blue Connector for MCC 1599 CN802 P501 Black CN505 Red Lead wire for grounding Connector for MCC 1596 CN851 CN700 Blue CN500 Red Fan motor output Lower side Connector for MCC 1600 CN23 and reactor CH68 Z 5 CN602 Black F500 Connector for MCC 1600 CN51 Electric circuit protective fuse 250V 15A CN502 White Connector for MCC 1596 CN101 36 MCC 1599 Interface CDB CN708 Blue CN608 White Connector for power relay coil Connector for MCC 1600 CN50 CN02 Red Connector for CN802 White MCC 1600 CN10 and CN19 Connector for MCC 1597 CN504 F01 CN700 Yellow Power supply protective fuse 4 way valve connector 250V 3 15A Temp sensor connector CN604 White TL sensor CN603 White TD sensor CN602 Yellow TO sensor CN601 White TE sensor CN600 White TS sensor Specific operation switch Mi SW801 J SW804 SW805 SW806 Display select switch CN703 Gray SW800 Heater output SW803 connector Initial setting switch SW802 Power ON error dis
181. ng NOTE Do not make fire flame contact with the 4 way valve and pulse motor valve This may cause an operation failure 10 Pull out the discharge and suction pipes of the refrigerant cycle upward 11 Remove the compressor nuts that fix the compressor to the bottom board 3 nuts 12 Pull the compressor out toward you NOTE The compressor weighs 20 kg or more Two people should be required to handle it Piping panel Front Binding tie for heat resistance T Compressor lead w EE D Compressor nut 3 nuts 177 No Exchange parts name Work procedure Remarks Compressor Compressor lead 2 Attach the compressor 1 Attach the compressor in the reverse order of the removal NOTE e Be sure to replace the compressor lead after the compressor replacement Compressor lead spare parts code 43160591 At this time wind the ferrite core with the compressor lead for 4 times Attach the soundproofing board Inward winding Outward winding as shown in the right figure through between the compressor and between the piping and parting board Fix the TD sensor with a commercially available heat resistant binding tie through the piping cover so that the sensor do not contact the discharge pipe 3 Vacuuming 1 Connect the vacuum pump to the charge port and check joint of the gas pi
182. nge backup Repeat heater 1 heater 2 and OFF The built in AC pump operates heater every 20 sec 9 Hot water cylinder heater Alive not alive for 10 sec 10 Backup heater Alive not alive for 10 sec The built in AC pump and external AC pump operate 11 Check the alarm output Output 10 sec no output for 10 sec 12 Check the boiler output Output 10 sec no output 10 sec 13 Check the defrost output Output 10 sec no output 10 sec 14 Check the operation output Output for 10 sec no output for 10 sec 15 None 16 Built in AC pump continuous Continuously alive Do not operate the AC pump alive operation continuously without any water in hydro unit 123 9 6 Brief method for checking the key components 9 6 1 Hydro unit No Component name Check procedure Water heat exchange Remove the connector and measure the resistance value with a tester Normal temperature temperature TC sensor Temperature _ Water inlet temperature Sensor 0 10 20 30 TWI sensor 1 Water outlet temperature TWO sensor Water inlet temperature TWI sensor Water heat exchange temperature TC sensor 33 8 20 35 12 59 7 99 Hot wat linder t t Wat tlet TWO ot water cylinder temperature ater outlet sensor i ko TTW sensor Hot water cylinder temperature TTW sensor Floor inlet temperature TFI sensor Floor inlet temperature TFI sensor
183. nuously run P2 0000 Continuous 0001 Stop P2 running 65 P1 pump setting when the thermostat is deactivated in 0000 Continuously run P1 0000 Continuous the room temperature remote control and room 0001 Stop P1 when the thermostat is OFF running temperature thermostat settings 67 Changing the condition of optional output For the 0000 1 3 During defrosting 0000 1 3 During optional P C board connected to CN209 2 3 While compressor is running defrosting 0001 1 3 As error is detected 2 3 While compressor 2 3 During operation is running 92 Upper room temperature limit when cooling 0000 15 C 0055 30 C 0029 29 C 93 Lower room temperature limit when cooling 0000 15 C 0055 30 C 0018 18 C 94 Upper room temperature limit when heating 0000 15 C 0055 30 C 0029 29 C 95 Lower room temperature limit when heating 0000 15 C 0055 30 C 0018 18 C 96 Initial water temperature setting when controlling 0010 10 C 0055 25 C 0020 20 C cooling by the room temperature remote control and room temperature thermostat 9D Initial water temperature setting when controlling 0010 20 C 0055 55 C 0020 40 C heating by the room temperature remote control and room temperature thermostat 9E TO temperature setting to stop the P1 pump during the 0010 10 C 0030 30 C 0020 20 C middle period heating 1 FC 01 is needed for PCB replacement or function code reset procedure has been completed 2 System restart
184. oeoeo 200 219 55 59 220 239 eeooeo 60 64 240 259 65 69 260 279 eoooeo 70 74 280 299 OOOO O 75 79 300 319 000000 80 84 320 339 85 89 340 359 eoeeoco 90 94 360 379 OO OO 95 99 380 399 eeoeoco 100 104 400 419 21 21 9 105 109 420 439 eooeoco 80 84 22 22 9 110 114 440 459 OOO OO 85 89 23 23 9 115 119 460 479 000 90 94 24 24 9 120 124 480 499 O 000 95 99 25 25 9 125 129 0e 000 100 104 26 26 9 130 134 OO OOO 105 109 27 27 9 135 139 110 114 28 28 9 140 144 115 119 29 29 9 145 149 OOOOO 120 or higher 30 30 9 150 154 OOOOOO sensor failure not connected 31 or higher 155 or higher TD TL and TH show errors below the ordinary temperature because they are sensors for high temperature Current value for the outdoor unit only is shown 149 3 Special operation for maintenance and inspection SW801 SW804 SW801 and SW804 can perform the following special operations for maintenance and inspection 1 Switches the dip switch SW804 See the table below 2 Presses the push button switch SW801 for approx 1 second 3 Starts the functions shown below During the start processing of each function LED D805 Green blinks 4 When the push button switch SW801 is pressed for approx 1 second or the dip switch SW804 is switched or the defined time for each funct
185. ok holding structure Electric parts assembly 155 No Exchange parts name Work procedure Remarks Side board 1 Side board Right 1 Perform the step 1 1 2 Remove the fixed screws of the side board Right ST1T Q4 x 10 5 screws 3 Remove the fixed screws of the side board Right and the manometer fixing board ST1T x 10 2 screws 2 Side board Left 1 Remove the fixed screws of the side board Left ST1T Q4 x 10 5 screws Side board Right Side board Left Upper board 1 Perform the step 1 1 and step 6 2 Remove the fixed screws of the upper board ST1T 04 x 10 4 screws Bottom board 1 Perform the step 1 1 and step 6 2 Remove the fixed screws of the bottom board ST1T 04 x 10 4 screws i Bottom board 156 Exchange parts name Work procedure Remarks Expansion vessel i To replace a water circuit part first close the water Expansion vessel supply source valve and the valve of water pipe connected to the hydro unit 1 Perform the step 1 1 step 5 6 and 7 2 Remove the fixed band of the expansion vessel ST1T 4 x 8 4 screws gt 3 Remove the expansion vessel connection three iece flare nut P Expansion vessel Replace the packing to new one when installing the Dang expansion vessel Part code Service parts 37595721 Service packing assembly
186. ollowing when no operation is in progress 1 Press the SET and TEST 4 and SELECT buttons at the same time for 4 seconds or longer See display C 2 Specify CODE NO FC with the TEMP v button UNITNOS 9 24 o LILI E TEMP for temperature setting 3 Selecta setting data with the TIME Y 4 button for 2 SCHEDULE COE NIGHT ZONE 1 2 HOT WATER setting Co The value in the item changes TME DAY STEP OPERATEMOD HOTWATERBOOST 30 COC K 4 Press the SET _ button If lights the status is aofo confirmed To change the item to be set go to 2 4 5 1 5 Pressing the TEST 4 button moves the unit to the normal stop state 2 2 How to set remote controller function code This operation can set the start and end time of the night time low noise anti bacteria night set back or other functions Procedure Perform the following when no operation is in progress 1 Press the TEST 4 and CL and TEMP v buttons at same time for 4 seconds or longer See display C gt appears on the left 2 Sed CODE NO FC with the TEMP v 4 button EIS for temperature setting TEMP SELECT rp co 3 Select a setting data with the TIME Y 4 button fortimer 2 SCHEDULE NIGHT ZONE 1 2 HOT WATER setting
187. ometer Backup heater Safety valve Flow switch VH 8706 HWS 1403XWHM3 E HWS 1403XWHT6 E HWS 1403XWHD6 E HWS 1403XWHT9 E HWS 1103H E HWS 1403H E Outdoor unit Heating Hot water supply Defrosting Cooling 4 way valve STF 0401G DA422A3F 25M TO exchanger Accumulator 2500 cc m 1 1 1 1 Compressor 1 pressure sensor Pressure switch Plate type water heat exchanger Pulse motor valve UKV 25D100 Outdoor heat 41 Hydro unit Expansion vessel Manometer o Water vent valve 1 Air vent valve Backup heater Safety valve _ Circulating pump UPS25 80 130 E Flow switch VH 8705 HWS 1403XWHM3 E HWS 1403XWHT6 E HWS 1403XWHD6 E HWS 1403XWHT9 E HWS 1103H8 R E HWS 1403H8 R E HWS 1603H8 R E Outdoor unit Hydro unit Heating Hot water supply gt Defrosting Cooling Low Expansion vessel Muffler sensor Manometer 25 x L210 Pressure switch I 25 x L180 2 1 Water vent valve Pressure switch Backup heater 4 way valve Plate type DA422A3F 27M STF 0401G water heat Safety valve exchanger Y Circulating pump Pulse motor valve UKV 25D100 gt Outdoor heat F Flow switch exchanger Accumulator 2500 cc Compressor 1 1 1 1 42 8 Operational Description This chapter describes the working circuit and
188. ompressor case thermostat The compressor case thermostat functions to protect the compressor when the blow out temperature from the compressor is too high The compressor case thermostat on the upper part of compressor stops the compressor The compressor will restart three minutes after stopping If the compressor case thermostat functions again after restarting functions at 125 C compressor stops and the H04 error code is indicated 13 Bottom plate heater control 13 1 Controllable models Models equipped with the bottom plate heater outdoor 3 phases 400V only HWS 1403XWH E HWS 1103H8R E HWS 1403XWH E HWS 1403H8R E HWS 1403XWH E HWS 1603H8R E 13 2 Target to control Control ON and OFF of the bottom plate heater using the outdoor temperature sensor To To Bottom plate heater is turned off 2 Bottom plate heater is turned on 80 9 Method of Defect Diagnosis In order to diagnose the defective part of the heat pump system first understand the symptom of the defect 1 Check the operation status It does not move or it moves but stops etc 2 Flashing display on the display part of the hydro unit 3 Check the check code by the remote control Please refer to the following procedure of defect diagnosis for the identification No Procedure of defect diagnosis Remark Matters to be confirmed first 9 1 1Check the power supply voltage Check
189. on Set water heat board DPSW11 1 2 to ON Place electric wire for backup heater Place electric wire for hot water cylinder Set breaker for backup heater to ON Set breaker for hot water cylinder to ON or check indoor wiring Replace booster heater unit and safety valve Replace hot water cylinder heater Refer to hot water cylinder guide Replace TWI or TTW sensor E04 Error Outdoor unit operates Vas Hydro unit Internal wiring and connecting wire 1 2 3 are correct Correct wiring and connecting wire N04 connector and terminal block 1 2 3 wiring are normal Correct connector and terminal block wiring When power is Check water heat on again D502 Amber LED exchanger board blinks If defective replace it Check water heat exchanger control board Check outdoor control board If defective replace it If defective replace it F03 Error TC sensor failure TC sensor connector CN203 is connected Correct TC sensor connection TC sensor resistance characteristic is normal Replace TC sensor Replace water heat exchange control board 101 F04 Error TD sensor failure TD sensor connector CN603 is connected Correct TD sensor connection TD sensor resistance characteristic is normal Replace TD sensor Replace water heat exchange control board 206 Error TE sensor
190. on the remote control and pressing the Frost Protection button the operation period is set and the frost protection operation will automatically be finished after the period has passed The operation period setting day and hour is stored in the memory Related FC FC No Setting item Default Setting available range 3A FROST PROTECTION Yes No 1 Yes 0 No 3B FROST PROTECTION Set temperature 15 C 10 20 C 12 remote control FROST running period days 0 0 20 days 13 remote control FROST running period hours 0 0 23hours 56 Item Operation flow and applicable data etc 8 2 12 AUTO operation Operation Mode An auto operation sets the water temperature TSC_F depending on the outside air temperature TO by following the table below and Control Method 1 How to operate Pressing the remote controller ZONE1 2 button and then the AUTO button starts AUTO operation for heating An operation starts at the set temperature of straight line approximation for the following water temperature 40 C with the outside temperature 20 C FC 35 C with 10 C T1 FC 30 C with 0 C FC 25 C with 10 C T3 and 20 C with 20 C TC For 2 temperature control although Auto Curve in ZONE2 shows 80 of that of ZONE1 FC the water temperature setting does not fall below 20 C During an AUTO operation pressing again the AUTO button returns to the usual manual set heating
191. ontinued for removal 2 NOTE After replacement of the compressor be sure to replace the compressor lead Repair part code of compressor lead 43160612 In this time wrap the ferrite core with the compressor lead wire by 1 time As shown in the right figure mount the sound insulation plate rolling in rolling out by passing through it between the compressor and the piping and between the piping and the partition board Fix TD sensor by the bundling band for heatproof on the market via the pipe cover so that TD sensor does not directly come to contact with the discharge pipe 3 Vacuuming 1 Connect the vacuum pump to the charge port and the check joint of the gas pipe valve and then drive the vacuum pump 2 Carry out vacuuming until the vacuum low pressure gauge indicates 1 mmHg NOTE Before vacuuming open PMV fully If PMV is closed vacuum may be impossible between liquid pipe valve and PMV of the outdoor unit Forced full opening method of PMV Turn on the leakage breaker Turn on 1 and 3 of Dip switch SW804 on the control P C board of the outdoor unit Keep pushing SW801 on the control P C board of the outdoor unit for 1 second or more After pushing SW801 for 1 second or more turn off the leakage breaker within 2 minutes 4 Refrigerant charge 1 Add the refrigerant amount determined by the pipe length from the charge port of the valve 0 to 50 Compressor lead
192. ontrol 2 Discharge temperature release control 3 Current release control 4 Current releases shift control 5 Outdoor fan control 6 Defrosting control 7 Winding heating control 8 Short circuit operation prevention control 9 Over current protection control 10 High pressure release control 11 High pressure switch 12 Compressor case thermostat 13 Bottom plate heater control 72 to 80 43 Item Operation flow and applicable data etc Operation description 8 1 1 Operation control 1 Purpose Basic The operations of the Operation Remote controller hydro unit and the Operation condition selection Heating Run Stop Hot water supply Run Stop Cooling Run Stop Serial signals transmit and receive Serial signals transmit and receive Hot water supply heater MG Mixing Valve Pressure switch 3 1 Lo pressure sensor Serial signals transmit and receive Serial signals transmit and receive Outdoor Serial unit Outdoor unit control exchange communication Remote control settings Heating Temperature setting Hot water supply Temperature setting Cooling Temperature setting Auto Temp Anti Bacteria Frost protection Hot waterboost AC 230 V for Hot water cylinder heater AC 400 3N for Back up heater 4 Thermostat Cooling Heating Forcible stop input Water heat exchange Sub board Error Alarm stop output
193. oor unit connection cable and cylinder connection cable 1 How to remove 1 Perform the step 1 1 step 5 6 and 8 2 Remove the water pipe fixing board ST2T Q4 x 8 2 screws 3 Remove the refrigerant piping fixing board ST2T x 8 3 screws 4 Remove the nut of the heater connection 5 Remove the fixed screws of the electric parts box fixing board ST2T x 8 4 screws 6 Remove the side reinforcing board left ST2T x 8 6 screws 3 for inside 3 for outside 7 Remove the water heat exchanger fixing band ST2T x 8 6 screws 8 Remove the water heat exchanger assembly The heater connection uses a packing for water seal Be careful not to scratch the packing otherwise water leakage may occur 2 How to attach 1 Attach a new water heat exchanger assembly in the reverse order of the removal 2 Restore all piping and wiring as in the original state and check that there is no water or refrigerant leakage After the water heat exchanger assembly replacement repair open the water supply source valve and water piping source valve to pass water through the hydro unit and check that the connection has no water leakage After connecting the refrigerant pipe check that the connection has no refrigerant leakage Water piping fixing Nut Electric parts box fixing Water heat exchanger fixing band The piping structure slightly differs in 1
194. operation The remote controller displays A as the temperature during an AUTO operation When 2 temperature control is enabled the remote controller displays A Long pressing the AUTO button during an AUTO operation activates the Auto Curve FC change mode enabling the set Auto Curve water temperature to be shifted by 5K range FC_27 When using the auto curve shift function please note the maximum and minimum water temperature at 55 C and 20 C respectively Even if the temperature setting is changed during an AUTO operation the operation continues An AUTO operation works with a heating operation only not with a cooling or a hot water supply operation Auto Curve ZONE1 I Cy eee St E S p 30 C ples ee 25 D Peco i PE pese ee pe 20 10 0 10 20 11 T3 Related FC FC No Setting item Default Setting available range 18 Upper limit of cooling set temperature 25 C 20 30 C 19 Lower limit of cooling set temperature 10 C 10 20 C 1A Upper limit of heating ZONE1 set temperature 55 C 37 55 C 1B Lower limit of heating ZONE1 set temperature 20 C 20 37 C 1 Upper limit of heating ZONE2 set temperature 55 C 37 55 C 1D Lower limit of heating ZONE2 set temperature 20 C 20 37 C 27 Set temperature shift with heating set to Auto 0 5 to5k 29 Outside air temperature T1 temperature 10 C 15 0 C 2B Outside
195. opped with the remote controller 1 Press the remote controller TEST 2 button for 4 seconds longer to display TEST on the LCD screen ZONE2 gt WATER 4 B lt For hot water supply trial operation gt TOTEE FISAS 22 21 171 2 Press the WATER button and a hot water supply n operation starts after 3 minutes See display C gt e The pump immediately starts SCHEDULE NIGHT ZONE 1 2 HOT WATER 3 Pressing the HOT WATER button again stops the hot Co VG s NE o Nis water supply operation For heating trial operation TIME DAY STEP OIO SET CL ee OPERATE MODE HOT WATER BOOST OO Ge MK s j TEST AUTOTEMP ANTI BACTERIA QIO 9 e 1 Press the ZONE1 2 button and a heating operation starts after 3 minutes See display C The pump immediately starts 2 Pressing the ZONE1 2 button again stops the heating 3 00 operation lt For cooling trial operation gt operation mode 132 amp TEMP v 1 SCHEDULE NIGHT SELECT ZONE1 2 HOTWATER j TIME DAY STEP pcRATEMODE HOT WATER BOOST Ow ODO SET CL TEST AUTOTEMP _ ANTI BACTERIA Wm gt Jt 1 4 2 3 2 Press the ZONE1 2 button and then OPERATE MODE 73x and a cooling operation starts after 3 minutes x
196. or is normal Yes Replace water heat exchange control board 97 A08 Error Low pressure sensor lowering operation failure Cooling Defrosting operation Replace flow switch Remove sufficiently excess air Waste stuck inside oe Remove waste water circuit 12 M or longer water Place buffer tank and the second pump pipe to a branch or 5 or less branches Raise set temperature Defrost outdoor unit where frost remains Replace lo pressure sensor No Water cycle contains water Yes No Flow switch is normal Yes At normal temperature overheat preventive thermostat is normal No Yes Replace water heat exchange control board or overheat preventive thermostat failure A09 Error Overheat prevention thermostat failure Hot water supply Heating operation Put water into water circuit Recommended 1 2 Bar Replace flow switch Replace heater unit exchanger air vent valve Replace water heat exchange control board or overheat preventive thermostat failure After the control board is replaced if the same operation repeats the overheat preventive thermostat is determined as defective does not operate at 75 C 98 A11 Error Release protection operation No Flow switch is normal Yes noise comes from inside pump Secure water circulation amount Circulation flow shortage Chattering noise comes from flow switch No
197. or connector CN601 No Correct TE sensor is connected connection TE sensor resistance No Replace TE characteristic is normal See the Spiace sensor Yes characteristic table on page 101 Replace outdoor control board PC Board 803 to 1403H E 1571 1103 to 1603H8 R E MCC 1599 207 Indication 1 Indication 2 gt Heat exchanger temperature sensor TL failure TL sensor connector CN604 No Correct TL sensor e is connected connection e YES TL sensor resistance No characteristic is normal Replace TL sen r See the YES characteristic table on page 101 Replace outdoor control board pc Board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599 119 Check code Outdoor LED indication Check and Action procedure No specific description indicates outdoor unit parts 208 lt Indication 1 gt lt Indication 2 gt ox For X X Outside air temperature sensor TO failure TO sensor connector CN602 No Correct TO sensor is connected connection TO sensor resistance No te Replace TO sensor characteristic is normal See the Yes characteristic table on page 101 Replace outdoor control board PC Board 803 to 1403H E MCC 1571 1103 to 1603H8 R E MCC 1599
198. ord clamp NOTE The power source cable and connecting cable between hydro and outdoor units must be fixed along the connecting piping by using a cable tie so that the cables do not contact the compressor gas side valve gas side piping and outlet pipe 3 Attach the front panel Hex 4 x 10 2 screws Front panel 172 No Exchange parts name Work procedure Remarks Outlet cabinet How to remove 1 Perform the step 1 1 2 Remove the screws of the outlet cabinet and parting board ST1T x 8 4 screws 3 Remove the screws of the outlet cabinet and bottom board Hex 4 10 2 screws 4 Remove the screws of the outlet cabinet and motor base ST1T x 8 2 screws 5 Remove the screws of the outlet cabinet and heat exchanger ST1T Q4 x 8 1 screws 6 Remove the screws of the outlet cabinet and fin guard Hex O4 x 10 2 screws Heat exchanger Outlet cabinet Motor base Paring board amp gt Fin guard Side cabinet 1 Perform the step 1 1 2 Remove the screws that fixes the inverter assembly and the side cabinet ST1T 4 x 8 2 screws 3 Remove the screws of the side cabinet and valve fixing board ST1T 4 x 8 2 screws 4 Remove the screws of the side cabinet and piping panel back Hex Q4 x 10 2 screws 5 Remove the screws of the side cabinet and bottom board Hex 4 x 10 1 screws 6 Remove the screws of the side cabinet an
199. ound etc 9 2 Non defective operation program operation No fault code display appears In order to control the heat pump unit there are the following operations as the built in program operations in the microcomputer If a claim occurs about the operation please confirm whether it falls under any of the contents in the following table If it does please understand that the symptom is not a defect of the equipment and it is an operation necessary for the control and maintenance of the heat pump unit Table 9 2 1 Non defective operation No Operation of the heat pump system Explanation The compressor sometimes does not operate even within the The compressor does not operate during the operation of the 1 range of compressor ON compressor reboot timer 3 min Even after the power activation the compressor reboot timer continues to be active During the hot water supply or heating operation without It may be caused by the high temperature release control 2 reaching the set temperature the compressor operation release protection control by the temperature of the water frequency stays at a frequency of less than the maximum Hz or heat exchanger or the current release control lowers down The Stop operation on the remote control will not stop the In order to deal with the temperature increase in the heat 3 circulating pump The same for hot water supply heating and exchanger after stopping the opera
200. ounding from the NATI earth terminal in the terminal HWS AMS11E 05 block of the outdoor unit Remote J Symbol Parts name Symbol Parts name HRS E WPM Water pump motor Water heat exchanger temperature sensor A CAUTION 3W 3 way valve local TWI Water heat exchanger inlet temperature sensor 2WV 2 way valve local TWO Water heat exchanger outlet temperature sensor Electric shock may happen MIXV Mixing valve local THO Backup heater outlet temperature sensor i BH Booster heater TIW Hot water cylinder temperature sensor Don t touch the electric parts RY01 RY06 Relay01 Relay06 TFI Floor heating inlet temperature sensor LPS Low pressure sensor TB Terminal block Color identification Backup 2 3 Heater AC230V 3kW BLK BLACK BLU BLUE ENS BRW BROWN GRN GREEN M _ Option p c board GRY GRAY ORN ORANGE PNK PINK REDE RED CN41 CN203 CN204 CN205 CN206 CN207 CN212 214 CN213 Boil WHI WHITE YEL YELLOW BLU YEL BRW RED WHI BLU WH WH WH NR 3 Boiler control BLU Y 1217 K2 lem ore Sompressor operation SOP 1 P C board CN209 PPK EL qot MCC 1511 1217 D Defrost Photocoupler input i RED Y top I P S IMCC 1214
201. pairing place A tool or disassembled parts may cause an injury Advise the customer to keep the third persons including children away from the unit Insulation treatment After connecting a cut lead with a crimp contact discharge by facing the closed side upward Connect lead wires with crimping terminals and turn the closed end upwards to avoid exposure to water Watch out for fire Observe the following instructions when repairing the refrigerant cycle 1 Watch out for surrounding fire Always put out the fire of stove burner or other devices before starting the repair Should the fire fail to be put out the oil mixed with refrigerant gas could catch fire 2 Do no use a welder in a closed room A room with no ventilation may cause carbon monoxide poisoning 3 Keep away flammable materials The materials may catch the fire of a welder lt Use refrigerant carefully Check the refrigerant name to use the tools and members appropriate for the refrigerant A product using the refrigerant R410A has the refrigerant name prominently displayed on its outdoor unit In addition the diameter of the service port is changed from that of the conventional R22 to prevent incorrect filling Never use refrigerant other than R410A for Air to Water Heat Pump using R410A Also never use R410A for Air to Water Heat Pump using other refrigerant such as R22 A mixture of R410A with different ones excessively raises the press
202. perature 3 Check the outdoor fan system p20 sensor TL detects 63 C during the x including clogging 10 117 cooling operation 4 Over filling of refrigerant When the water outlet sensor TWO 5 Check the resistance value of the detects 60 C during the heating or hot heat exchange temperature sensor water supply operation TL and the water outlet temperature sensor TWO Outdoor fan system error 1 Check the lock status of the motor When a DC fan rotor position detection fan NG element short circuit loss of 2 Check the connection of the fan P22 synchronization or abnormal motor motor cable connector 4 4 118 current occurs 3 Check the power supply voltage AC220 230 V 10 single phase type AC380 400 V 10 3 phase type Short circuit of the compressor driver 1 P26 abnormality occurs when element error operating with the compressor When an abnormal short circuit of IGBT wiring disconnected Check the p26 is detected x control board 8 118 2 abnormality occurs when operating with the compressor wiring disconnected Compressor rare short Compressor rotor position error 1 Even if the connection lead wire of The rotor position in the compressor the compressor is disconnected it cannot be detected stops due to an abnormality in the position detection Replace the P29 8 118 inverter control board 2 Check the wire wound resistor of the compressor Short circuit Replac
203. ping valve to operate the vacuum pump 2 Perform vacuuming until the vacuum low pressure gauge shows 1 mmHg NOTE Open fully the pulse motor valve before vacuuming With the valve closed vacuuming between the outdoor unit liquid valve and the pulse motor valve may fail How to make pulse motor valve forcible full open Turn on the electric leakage breaker Setthe SW804 dip switch 1 and 3 on the outdoor unit control board to ON Press SW801 on the outdoor unit control board for 1 second or longer After pressing SW801 for 1 second or longer turn off the electric leakage breaker within 2 minutes 4 Charge refrigerant 1 Add refrigerant whose amount is defined according to the piping length from the valve charge port HWS 1102H 1402H 2 7kg Wind ferrite core with compressor lead for 4 times Compressor lead 0 to 50 Compressor lead positioning standard Place soundproofing board Outward winding through between suction pipe and header pipe Overlap soundproofing board Outward winding at this position Header pipe Suction pipe Discharge pipe Overlap soundproofing board Inward winding at this position through between compressor outlet pipe and suction pipe Do not make space between soundproofing boards Upper and Outward winding Soundproofing board Upper Rivet Make the other end of the line go through under th
204. play LED D800 to D804 Yellow yT D805 Green Hydro Outdoor communication signal LED CN690 Green CN609 Blue CN710 White 0503 Green Outdoor Hydro High pressure Case thermostat connector PMV1 Connector D502 Orange Hydro Outdoor Switch connector CN01 White CN704 Blue CN610 Yellow Inter unit cable connector Compressor ON out put connector Outside input connector 37 MCC 1600 Noise Filter CN05 Red CN10 Red CN16 Red Power supply terminal L1 Terminal for MCC 1599 CNO2 and Terminal for PTC thermistor Terminal for power relay 201 Varistor protective fuse 250V 6 3A CNO6 White CN17 White Terminal for MCC 1596 CNO2 CN18 Black Varistor protective fuse 250V 6 3A Terminal for power relay CN07 Black Power supply terminal L3 LE odi CN19 Gray Terminal for i FRSSIS MCC 1599 CN02 zu A Ta oa oo fuse CN09 Brown 5 Terminal for grounding CN20 White Power supply terminal L2 CN23 Red Connector for MCC 1597 CN500 CN08 Gray o Neutral terminal CN51 Black CN50 White Connector for Connector for MCC 1597 CN602 MCC 1599 CN608 38 ion Cycle Water System Di t igera 7 Refr 7 1 Water System Diagram peunooud sayng jjeool oy 10014 92 D dL AQEZOV
205. pressure in a refrigerant cycle leading to an injury due to burst Check the refrigerant name to use the tools and members appropriate for the refrigerant A product using the refrigerant R410A has the refrigerant name prominently displayed on its outdoor unit In addition the diameter of the service port is changed from that of the conventional R22 to prevent incorrect filling Ventilate if refrigerant gas leaks during service work Should refrigerant gas catch fire poisonous gases may be produced A closed room full of leaking refrigerant results in the absence of oxygen it is dangerous Make sure to ventilate When the refrigerant cycle is refilled with refrigerant do not mix air or refrigerants other than the specified refrigerant R410A A mixture of R410A with air or an inappropriate substance causes excessive high pressure inside the refrigerant cycle leading to an injury due to burst Check that no refrigerant gas leaks after the installation is completed Should a refrigerant gas leak in a room and catch fire poisonous gases may be produced When installing the unit that contains large amount of refrigerant such as Air to Water Heat Pump take measures to prevent the refrigerant from exceeding the threshold concentration in case it leaks Should leaking refrigerant exceed the threshold concentration could cause an accident due to oxygen deficient When installing the unit or re installing it after relocation follow the installation g
206. r back side 162 No Exchange parts name Work procedure Remarks Outlet cabinet How to remove 1 Perform the step 1 1 2 Remove the screws of the outlet cabinet and parting board ST1T x 8 3 screws 3 Remove the screws of the outlet cabinet and bottom board Hex 4 x 10 2 screws 4 Remove the screws of the outlet cabinet and motor base ST1T x 8 2 screws 5 Remove the screws of the outlet cabinet and water heat exchanger ST1T 04 x 8 1 screw 6 Remove the screws of the outlet cabinet and fin guard Hex 4 10 2 screws Water heat exchanger Outlet cabinet Motor base Paring board Fin guard Side cabinet 1 Perform the step 1 1 2 Remove the screws that fixes the inverter assembly and the side cabinet ST1T x 8 2 screws 3 Remove the screws of the side cabinet and valve fixing board ST1T 4 x 8 2 screws 4 Remove the screws of the side cabinet and piping panel back Hex 10 2 screws 5 Remove the screws of the side cabinet and bottom board Hex O4 x 10 1 screw 6 Remove the screws of the side cabinet and water heat exchanger Hex 4 10 screws 7 Remove the side cabinet while shifting it upward Inverter hook Inverter assembly Side cabinet Piping panel back 163 Exchange parts No Work procedure Remarks 4 Electric parts 1 Control board replacement 1 Perform the s
207. r failure TTW sensor connector CN214 is connected Correct TTW sensor connection TTW sensor characteristic is normal Replace TTW sensor Refer to Charasteristic table on page 122 Replace water heat exchange control board F17 Error TFI sensor failure TFI sensor connector CN213 is connected Correct TFI sensor connection TFI sensor characteristic is normal Replace TFI sensor Refer to Charasteristic table on page 122 Yes Replace water heat exchange control board F18 Error THO sensor failure THO sensor connector CN206 is connected Correct THO sensor connection THO sensor characteristic is normal Replace THO sensor Refer to Charasteristic table on page 122 Replace water heat exchange control board 104 F19 Error THO sensor detach failure THO sensor No is attached to pipe Yes THO sensor characteristic is normal No Refer to Charasteristic table on page 122 Yes TWO sensor characteristic is normal No Refer to Charasteristic table on page 122 Yes Replace water heat exchange control board 105 Attach THO sensor to pipe Replace THO sensor Replace TWO sensor F20 Error TFI detach failure No Mixing valve is attached Attach a mixing valve Yes 58 Mixing valve connection is correct Make the mixin
208. r the heater Connect the heater cord through the cutout when reassembling the unit 9 x fs Er p p fad z j 11 lt gt Dl 22 iai 2 A connector must get close to this screw Only this cord clamp must be attached downward facing 2777727 192 1 3 Periodic Inspection Items For a long term safe operation of this equipment perform periodic inspection and parts replacement lt Inspection items gt Hydro unit HWS 803 E 1403 E Frequency Periodic inspection details 1 Insulation measurement Power source circuit Heater Annually Insulation measurement with a mega tester circuit 2 Power source measurement No load voltage Annually Electronic voltage measurement 220 230V 10 3 Operation check Annually Hot water supply Heating Cooling operation check with remote controller 4 Refrigerant leakage Water leakage inspection Annually Visual inspection and check with a leak tester No leakage must be found 5 Water heat exchanger inspection Internal dirt and Annually Checking for water dirtiness in a closed cycle Cleaning clogging 6 Inlet Outlet water temperature measurement Annually Temperature measurement Temperature measurement during an operation 7 Circ
209. r x connection of the floor inlet 1 104 temperature sensor temperature sensor TFI THO sensor error 1 Check the resistance value and F18 Open or short circuit in the heater outlet x connection of the heater outlet 1 104 temperature sensor temperature sensor THO Detection of THO disconnection error 1 Check for any disconnection of the F19 When TWO THO gt 15K is detected and x x heater outlet temperature sensor 1 105 30 sec elapsed THO TFI sensor error 4 Check th i f the fi F20 When TWO TFI 30K is detected and x x re OTTIS re 1 106 inlet temperature sensor TFI TFI lt TWI 5K is detected Low pressure sensor error 1 Check the connection body or When PS 0 07 MPa is detected for 90 connection wiring of the low 223 sec or more cooling defrosting 1 107 When PS lt 0 07 MPa is detected for 10 2 Check the resistance value of the min or more hot water supply heading low pressure sensor EEROM error 4 Repl th h F29 Inconsistency is detected once without x x water neatiexcnange 1 107 control board verify ACK after writing to EEPROM F30 Extended IC error 1 Replace the water heat exchange 1 107 When the extended IC is abnormal control board 107 Comm nication error x x 1 Replace the water heat exchange 1 107 Individual hydro units have a group line control board Communication error 1 Check the setting of the FC01 ili i capability spec
210. ration dangerously rapid Half opens 250 pulses PMV Pulse motor valve f pressure change Ee When SW801 is pressed again or after 2 minutes the operation Es returns to the normal control E 4 way valve relay operation RY700 CN700 for check Sets 4 way valve energization relay RY700 to ON cae When SW801 is pressed again or after 2 minutes the operation Cos returns to the normal control amp cu Caution Do not connect the coil into the body when perform this operation 150 SW804 Operation when press button switch SW801 is pressed Self holding valve vacuum operation Switch to heating SW804 cycle Le RY700 RY701 RY705 CN701 for check Sets relay RY700 RY701 and RY705 to m CN701 Between 1 to 4 Voltage Approx 325V This function operates for 10 seconds After that it becomes HWS 803H E OFF HWS 1103H E Self holding valve release operation Switch to cooling HWS 1403H E only SW804 Caution cycle aution ria Sets relay RY700 to ON Although these CN701 Between 1 to 4 Voltage Approx 325V controls are available m This function operates for 10 seconds After that it becomes during an operation OFF ba
211. rature of the hydro unit during a heating or hot water supply operation This control enables the function that prevents snow from entering the draft air duct through the fan guard or a heat exchanger gap and causing motor lock If the outside air temperature is 0 C below this control operates the outdoor fan in W5 even if the compressor is not in operation frequency change Defrosting time J805 J806 If the defrosting interval is shorter than the standard the jumper wire is cut change For the control details or how to cut the jumper wire see defrosting control Maximum J807 If the maximum value of compressor frequency need to be lowered cut the jumper wire shown on the left This control lowers the maximum frequency when hot water supply heating or cooling is in operation HWS 803H E only In this case the maximum capacity decreases Maximum frequency of compressor HWS 803H E HWS 1103H E HWS 1403H E Cooling Heating Cooling Heating Cooling Heating Standard 70 2 70 2 53 4 60 0 70 2 70 2 J807 cut 55 8 55 8 48 0 54 0 48 6 55 8 Modei HWS 1103H8 R E HWS 1403H R E HWS 1603H8 R E Cooling Heating Cooling Heating Cooling Heating Standard 53 4 60 0 64 2 66 0 70 2 70 2 J807 cut 57 2 42 0 48 0 49 2 55 8 55 8 144 15 3 Service support functions LED indication Switch operation method The following set
212. rehand a bit of heat release grease to the back side of the insulating sheet can easily paste the sheet to the heat sink lead Fan motor Temperature ge sensor Electric control valve coil Indoor power source valve coil Screw for fixing board Screw for fixing element 7 screws gt Aluminum board Q201 Insulating sheet Q300 Heat release grease N Y 164 Exchange parts No Work procedure Remarks 4 Electric parts 2 Reactor replacement 1 Perform the step 1 1 2 Remove the relay connector connected to the control board 3 Cut the binding tie that binds the compressor leads and relay connectors 4 Remove the reactor Truss B tight screw 4 x 6 2 screws 5 Attach a new reactor NOTE Be sure to bind the removed binding tie by using the commercially available binding tie Make sure that the fan motor lead and the reactor body do not contact each other i Fan motor lead Binding tie Compressor lead Relay connector 165 Exchange parts Work procedure Remarks Fan motor 1 Perform the step 1 1 and step 2 Propeller fan Turn it right to loosen 2 Remove the fan motor and the flange nut that fixes sss the propeller fan To loosen the flange nut
213. ring Pulse motor valve body 170 No Exchange parts name Work procedure Remarks Fan guard 1 How to remove 1 Perform the step 1 1 and step 2 NOTE Perform a replacement work on cardboard or cloth to prevent the product from being damaged 2 Remove the outlet cabinet and put with the fan guard side down 3 Release the hooks 8 positions of the fan guard 2 How to attach 1 Press the hooks 8 positions with hands from the front side to fix them NOTE Check that all the hooks are fixed to the given positions Bellmouth Outlet cabinet Fan guard 171 2 2 HWS 1103H E 1403H E No Exchange parts name Work procedure Remarks Common procedure NOTE Wear gloves when performing the work Failure to do so may cause an injury when accidentally contacting the parts 1 How to remove 1 Stop the operation by remote controller and turn off the breaker 2 Remove the front panel Hex Q4 10 2 screws After unscrewing the screws remove the front panel while pulling it downward 3 Disconnect the power source cable and connecting cables between hydro and outdoor from the cord clamp and terminals 4 Remove the top board Hex 4 10 5 screws 2 How to attach 1 Attach the top board Hex 4 10 5 screws 2 Connect the power source cable and connecting cables between indoor and outdoor to the terminal and fix them with the c
214. ro unit C 5 32 Outdoor unit C 20 43 Operating humidity range Hydro unit 96 15 85 Outdoor unit 96 15 100 Wiring connection Power wiring 3 wires including ground line Outdoor unit Connecting line 4 wires including ground line 1 Heating performance measurement conditions outside air temperature 7 C water supply temperature 30 C outlet temperature 35 C refrigerant piping length 7 5 m no height difference 2 Cooling performance measurement conditions outside air temperature 35 C water supply temperature 12 C outlet temperature 7 C refrigerant piping length 7 5 m no height difference 3 The remote controller should be shipped with the hydro unit Use two 1 5 meter wires to connect the hydro unit with the remote controller 4 The outdoor unit operating noise is measured at the point of 1m away from the unit back surface centre and 1m high from the ground The hydro unit operating noise is measured at the point of 1m away from the unit front surface centre The value of the operating noise varies depending on room structure where the unit is installed 5 Do not leave the hydro unit at 5 C or below 6 Check the water piping for leakage under the maximum operating pressure 15
215. ro unit operating noise is measured at the point of 1m away from the unit front surface centre The value of the operating noise varies depending on room structure where the unit is installed 5 Do not leave the hydro unit at 5 C or below 6 Check the water piping for leakage under the maximum operating pressure 16 Unit name Hydro unit HWS 1403XWHM3 E 1403XWHT6 E 1403XWHD6 E 1403XWHT9 E Outdoor unit HWS 1103H8 R E HWS 1403H8 R E HWS 1603H8 R E Heating capacity 1 kW 11 2 14 0 16 0 Cooling capacity 2 kW 10 0 11 0 13 0 Variable range of compressor frequency 10 60Hz 10 60 Hz 10 70 Hz Power source 3 phase 50Hz 380 400V Operation mode Heating Cooling Heating Cooling Heating Cooling Electric characteristic 1 2 Hydro unit Current A 0 63 0 61 0 67 0 63 0 69 0 66 Power kW 0 135 0 130 0 145 0 135 0 150 0 140 Power factor 93 2 92 7 94 0 93 2 94 5 92 3 Outdoor unit Current A 4 03 5 65 5 23 6 50 5 95 7 50 Power kW 2 255 3 39 3 065 3 945 3 570 4 660 Power factor 81 1 87 0 84 9 88 0 87 0 90 0 Total Starting current A 4 66 6 26 6 06 7 13 4 26 8 16 Operating noise 1 2 4 Hydro unit dB A 29 29 29 29 29 29 Outdoor unit dB A 49 50 51 51 52 52 Coefficient of performance 1 2 4 69 2 84 4 36
216. rotation change Compressor frequency changeable range 10 Hz to 70 Hz 803 1403H E 1603H8 R E 10 Hz to 60 Hz 1103H E 1103H8 R E 10 Hz to 66 Hz 1403H8 R E 58 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 1 2 High temperature release control A heat pump operation is performed as shown in the table below according to the TC sensor detecting temperature For the detected temperature TC TWO 2 degree of a heat pump operation is used The values of T7 through T10 varies depending on TWI See the table below If the compressor frequency instruction from the hydro unit is less then 10 Hz the compressor stops TC gt 62 C causes the compressor to stop abnormally When the compressor restarts 140 seconds after the stop and TC gt 62 C is not detected for 20 minutes the abnormal stop counter is cleared 10 times of compressor abnormal stop stops the operation of heat pump and fault code A11 is displayed on the remote controller If the heat pump operation is switched to other operation the abnormality detection counter is reset to 0 TC TWO 2 Zone Control operation T Forcible stop R1 n compressor frequency by 1 2 Hz every a down R2 lncrease compressor frequency by 0 6 Hz every P slow down T9 Decrease compressor frequency to 70 every 10 sec R2 slow up compre
217. rts while external temperature is higher than 20 C the h zone operation continues for 60 minutes 50 Item Operation flow and applicable data etc Related FC FC No Setting item Default Setting available range 07 Maximum HP operation time for hot water heater when hot 30 min 0 120min water supply heating mode both operate 22 Priority mode switch temperature 0 20 20 Note When user selects hot water supply and ZONE1 2 and Heat pump selects hot water supply mode the Maximum operating time of heat pump is 30 min 8 2 6 Simultaneous operations of hot water supply and cooling Operation Mode For simultaneous operations of hot water supply and cooling basically cooling runs by a heat pump operation and and Control hot water supply by a heater operation Method Hot water supply side Cooling side Normal Heater Heat pump By setting FC 01 to 1 heat pump operation for hot water supply is permitted Under the setting the heat pump runs for the hot water supply side when TTW is less than 38 C Hot water supply side Cooling side TTW lt 38 C Heat pump stop The operation mode returns to normal when TTW become 45 C or more FC variable Related FC FC No Setting item Default Setting available range 02 Cooling mode availability 1 Not permit 0 Permitted OF Heat pu
218. s 8 2 Setting the object to control Select an operation mode by setting FC61 e FC61 0 Hot water supply and heating Default FC61 1 Follows the setting on the remote control If the hot water supply operation heating operation or hot water supply heating operation is started manually after the unit was stopped with an external input the new status is reflected to the setting on the remote control FC61 2 Hot water supply only FC61 3 Heating only 8 3 Cautions The circuit between the external input terminals 1 and 3 is also used to control the limit of heat pump operation You cannot use the forced stop control when the circuit is configured to control the limit of heat pump operation See page 68 8 4 Setting example When you want to turn on off the unit with static external input reflecting the operation setting on the remote control hot water supply heating or hot water supply and heating FC52 2 FC61 1 RC on condition x RC off condition O Opberationpattem _______ Operation Heating x status 1 Hotwaer x x open signal input Manually ON OFF change by remote controller Operation gt T x 1 saus2 Hotwaer L pi close signal input close signal input Operation Heating o o Ji status 3 Hotwater x x open signal input Operation Heating
219. s should be removed after unlocking the housing section 4 Slide and remove the inverter assembly IPDU 5 Remove the screws 4 positions fixing the heat sink and the screws 3 positions fixing the compressor IPDU board and then remove the compressor IPDU board 2 Attachment 1 Mount compressor IPDU board 2 Mount components in the opposite method to that when removing Inverter assembly front Screws 4 positions m Compressor IPDU board State of compressor IPDU board when removed 187 No Part name Procedure Remarks Fan motor 1 Detachment 1 Carry out works of item 1 of 1 and work of 2 2 Remove the flange nut fixing the fan motor and the propeller fan The flange nut is loosened by turning it clockwise When tightening it turn it counterclockwise 3 Remove the propeller fan 4 Remove the connector for the fan motor from the inverter Remove the ferrite core of the lower fan motor because it is used 5 Remove the fan motor lead from the fan motor lead fixed rubber of the penetrated part of the partition board 6 Remove the fixing screws 4 pieces each while supporting the fan motor so that it does not fall down Cautions for assembling of fan motor Tighten the flange nut with 4 95Nem 50kgfecm Adjust length of the fan motor lead wire at the fan motor lead fixed rubber so that the fan motor lead is not slackened otherwise the fan motor lead may come to
220. se an electric shock lt Always do gt Should refrigerant gas leak find where the gas leaks and properly repair it To stop the repair work because the leakage location cannot be identified perform refrigerant recovery and close the service valve Failure to do so may cause the refrigerant gas to leak in a room Although refrigerant gas alone is harmless if it catches fire of a fan heater a space heater or a stove poisonous gases may be produced When installing the unit or re installing it after relocation follow the installation guide for proper operation A defective installation may cause a refrigerant cycle defective a water leak an electric shock or a fire Check after repair After a repair is completed check for any abnormality Failure to do so may cause a fire an electric shock or an injury Turn off the power breaker to perform check After a repair is completed and the front panel and cabinet are placed make a test run to check for any abnormality such as smoke or abnormal sound Failure to do so may cause a fire or an electric shock Place the front panel and cabinet before making a test run Check after re installation gt Check that the following are properly performed after re installation 1 The ground wire is properly connected 2 The installation is stable without any tilt or wobbles Failure to check them may cause a fire an electric shock or an injury CAUTION
221. sically perform sweod SV valve relay operation RY702 CN702 for check Sets SV valve relay RY702 to ON u When SW801 is pressed again or after 2 minutes the operation returns to the normal prog 2 control Performing these gm HWS 1102 and 1402H E do not have the parts mounted so this operation is controls during ilable operation may cause mee dangerously rapid SW804 Heater output relay operation RY703 CN703 for check pressure change Sets relay for optional heater RY703 to ON When SW801 is pressed again or after 2 minutes the operation returns to the normal Cos control O sweo4 External output relay operation RY704 CN704 for check Sets relay for external output RY704 to ON Ee When SW801 is pressed again or after 2 minutes the operation returns to the normal Os control Z sweod No operation particularly O External output relay operation change SW804 T PS Y operan g Note u Do not use this setting Z Note 1 The forced trial operation with this setting cannot be cancelled by the remote controller in the hydro unit Be sure to cancel the operation from the outdoor unit Press again SW801 for 1 second 151 1 1 Replacement of the Service P C Board Setting the jumper wires and DIP switches Outdoor unit Service Parts CDB HWS 803H E 431 6V 400 MCC 1571 HWS 1103H E 1403H E 431 6V 399 MCC 1571 HWS 1103H8 R E 1403H8 R E 1603H8 R E 30
222. spection D800 Yellow LED D801 Yellow LED D802 Yellow LED D803 Yellow LED D804 Yellow LED D805 Green LED Energization indication Abnormality indication and other indications D503 Green LED Serial signal Outdoor to hydro D502 Amber LED Serial signal Hydro to Outdoor 145 lt HWS 1103H8 R E 1403H8 R E 1603H8 R E gt SW804 SW805 Enlarged view of m n 1 2 3 4 1 2 3 4 SW800 SW801 SW806 SW802 SW803 146 2 LED indication switching SW800 SW803 operation 2 1 Indication switching list Operating SW803 can switch the indications of LED D800 to D804 on the outdoor control board Switch Function and details Abnormality indication Current abnormality SW803 This switch indicates the current abnormality Os Without an abnormality the lights are off Ly See 2 2 Co Abnormal indication Latest abnormality Latest abnorma
223. ssor frequency by 3 Hz every S normal Q Keep compressor frequency TC TWO 2degree C TWI 7 T8 T9 T10 T11 TWI 30 57 0 59 0 60 0 61 0 62 0 30 TWI 35 57 0 59 0 60 0 61 0 62 0 35 TWI 40 56 5 58 5 59 5 60 5 62 0 40 TWI lt 45 56 5 58 5 59 5 60 5 62 0 45 lt TWI 50 56 0 58 0 59 0 60 0 62 0 50 lt TWI 56 0 58 0 59 0 60 0 62 0 1 3 Low temperature release control A heat pump operation is performed as shown in the table below according to the TC sensor detecting temperature e For the detected temperature TC TWO of a heat pump operation is used The values of T7 through T10 varies depending on TWI See the table below If the compressor frequency instruction from the hydro unit is less then 10 Hz the compressor stops TC lt 3 C causes the compressor to stop abnormally When the compressor restarts when 140 seconds has passed after the stop and TC 3 C is not detected for 20 minutes the abnormal stop counter is cleared 10 times of compressor abnormal stop stops the operation of heat pump and fault code A11 is displayed on the remote controller If the heat pump operation is switched to other operation the abnormality detection counter is reset to 0 TC TWO Zone Control operation S normal R1 Increase compressor frequency by 1 2 Hz every 7 Ri F 60 sec R2 slow up R2 Increase compressor frequency by 0 6 Hz every T8 60 sec T
224. ssor rotation instructed by the hydro unit is used to determine whether the current value exceeds the specified value f exceeds the number of compressor rotation is reduced to the most approximate number instructed by the hydro unit within the specified value range Outdoor unit current inverter Main circuit control current Outside air temperature TO Current release point setting Operation current SSetting Compressor operation Hz down urrent degradation Capacity control continue Heating Hot water supply Outside temperature Current release value A TO degree C 803H E 1103H E 1403H E 1103H8 R E 1403H8 R E 1603H8 R E 35 lt 12 0 11 2 15 lt 35 20 0 15 x 0 4 13 2 To 15 x 0 1 TO 15 18 0 20 0 13 2 Cooling Outside temperature Current release value A TO degree C 803H E 1103 1403H E 1103H8 R E 1403H8 R E 1603H8 R E 44 lt TO 9 5 15 0 47 0 75 75 39 lt lt 44 13 0 17 7 75 8 7 9 6 10 lt lt 39 16 0 20 0 9 6 9 6 9 6 No cooling operation available for TO lt 10 C Heating Hot water supply Cooling A CT 20 0 18 0 15 35 TO C 10 39 44 TO 10 39 44 47 C 73 Item Operation flow and applicable data etc 8 4 Outdoor unit control 4 Current releases shift control During a cooling operation this control prevents t
225. stance kQ 50 C or higher 0 0 0 10 20 30 40 50 60 70 80 90 100 Temperature C Since the TH sensor outdoor unit heat sink temperature sensor is built in the outdoor control board the resistance value cannot be measured 122 9 5 Operation check by PC board switch 9 5 1 Operation check mode This mode allows to check the operations of the water 2 way valve water 3 way valve mixing valve and circulating pump This operation is valid when the hydro unit and the outdoor unit are turned on the power Operation check mode 1 Preparation 1 Turn all of the remote controls OFF for the hot water supply and heating 2 Turn off the hydro unit and the outdoor unit 3 Remove the front panel of the hydro unit 4 Set SW06_2 ON 2 Operation check 1 Turn on the hydro unit and the outdoor unit 2 Rotate switch DIP 5 01 to position 1 and press tactile switch SWO7 for 5 sec or longer 3 Rotating the rotary SWO01 allows to check each operation 4 Set the DIP SWO6 2 OFF to finish Rotary Check contents Remark switch 1 None 2 2WV_W Alive for approx 2 sec not alive for 3 sec 3 3WV_W 4 Mixing valve Alive for 30 sec in the forward direction Alive for 30 sec in the reverse direction 5 Built in AC pump Alive not alive for 20 sec 6 Extended AC pump 1 Alive not alive for 20 sec 7 Extended AC pump 2 Alive not alive for 20 sec Reserved 8 Water heat excha
226. sting stop the compressor for approx 40 seconds before starting a heating operation 4 Switching the jumper J805 and J806 of the outdoor control board can change the time of d above mentioned Factory default 150 minutes Heating operation starts TE 0 10 15 39 45 55 4 min i 1 In 10 to 15 minutes after the heating operation starts the lowest value of TE is recorded as TEO and the lowest temperature of To as ToO Inside brackets For 803H E To Normal A Zone Maintain TE ToO To 2 3 C for 20 sec B Zone Maintain TEO TE ToO To 2 2 C for 20 sec C Zone Maintain lt 23 C for 20 sec except 803H E Maintain TE lt 25 C for 20 sec 803H E D Zone Accumulate compressor operation status of TE lt 2 C for 150 min To Normal A Zone Maintain TEO TE 2 3 C for 20 sec B Zone Maintain TE 2 2 C for 20 sec C Zone Maintain lt 23 C for 20 sec except 803H E Maintain TE lt 25 C for 20 sec 803H E D Zone Accumulate compressor operation status of TE lt 2 C for 150 min Jumper switching O Short circuit x Open J805 J806 d 150 min Factory default 90 min 60 30 Defrosting operation ON i Compressor orr E M 4 ON 4 4 i Outdoor fan
227. t in pump P1 during the hot water supply operation using DP_SW10 1 DP_SW10 1 OFF Default The pump stops as the HP for hot water supply stops DP_SW10 1 ON The pump is always energized 3 3 Controlling the built in pump P1 during the heating operation You can change the action of the built in pump P1 during the heating operation using DP SW10 2 DP SW10 2 OFF Default The pump is always energized e DP_SW10 1 ON The pump stops when To gt 20 C Practically the HP for heating is turned off 3 4 Enhancing circulation pump P2 Pump type AC motor rated voltage 230V connectable directly up to 200W rated power output You can select whether the pump P2 is interlocked with the pump P1 using DP SW10 3 The pump P1 is always energized if the pump P2 is not interlocked 3 5 Controlling the enhancing pump P2 You can change the action of the enhancing pump P2 during cooling operation by setting FC64 FC64 00 Default The pump is always energized e FC64 01 The pump is always stopped 3 6 Controlling the built in pump P1 during cooling operation controlled with the room temperature thermostat or room temperature remote control You can change the action of the built in pump P1 by setting FC65 e FC65 00 Default The pump is always energized e FC65 01 The pump is stopped when the thermostat is turned off Related FC FC No Setting item Default Setting value 5A Control of the pump P1 during the hot
228. t of cooling setting temperature 25 20 30 C 19 Lower limit of cooling setting temperature 10 10 20 C 5 Simultaneous operations of hot water supply and heating At the time of Hot water supply and Heating simultaneous TO Hot water operation the operation mode is select as follows depending on the outside air temperature f zone Operation with hot water supply priority A heat pump operation is performed in the hot water supply side and a heating operation in the heating side g zone Operation with heating priority A heat pump operation is performed in the heating side and a cylinder heater operation in the hot water supply side Operation mode by zone Zone Hot water supply side Heating side f Heat pump 2 Stop 2 9 Heater Heat pump h Heater 3 Heater 3 supply heat pump priority operation FC22 Heating heat pump priority operation Diff 5deg g zone Diff 5deg Heater operation h zone 3 2 Note that after a heat pump operation for Hot water supply is selected in f zone when the operation moves to a heater operation for hot water and then 5 minutes has passed Hot water supply operation in b zone the operation mode changes as follows Zone Hot water supply side Heating side f Heater Heat pump When TTW 2 45 C FC changeable is met the operation ends f zone and returns to f zone 3 If the h zone operation sta
229. tep 1 1 Control board Reactor lead Compressor A WARNING For 1 minute after the power is turned off do not disassemble the inverter to prevent an electric shock 2 Remove the connector connected to the control board Hydro power source temperature sensor electric control valve coil 4 way valve coil compressor case thermostat fan motor Remove the connector by releasing the lock in the housing 3 Remove the lead cable connected to the control board Torque at tightening is 1 47 0 1Nem Compressor lead U CN200 Red V CN201 White W CN202 Black Remove the power source cable from the power Source terminal block Torque at tightening is 2 5 0 1Nem 4 Remove the ground wire of the control board Truss B tight screw 04 x 6 1 screw 5 Remove the fixed screws of the control board Collar screw for fixing element 23 x 16 7 screws Pan S tight screw for fixing the board 3 x 20 1 screw 6 Remove the control board Supporter 5 positions NOTE Removing the control board may be difficult due to the heat release grease for the heat sink 7 Attach a new control board NOTE e careful for not taking the compressor lead V CN201 White for the reactor lead 5 or 06 White The compressor lead has a transparent sleeve at its ring terminal The reactor lead ring terminal does not have sleeve Be sure to attach the aluminium board 0201 and the insulating sheet Q300 Applying befo
230. the power supply for the heat pump 9 1 2Check for any miswiring of the hot water heater the crossover between 9 1 connection cables between the hydro the hydro unit and the outdoor unit and the unit and the outdoor unit installation of temperature sensors 9 1 3About the installation of the temperature sensor 9 2 Non defective operation program operation Non defective program operations for the protection of the heat pump unit Outline of the determination 9 3 1Procedure of defect diagnosis With reference to the check code diagram 9 3 2How to determine from the check roughly identify the defect from the defect code display on the remote controller diagnosis for the heat pump hot water 9 3 3How to cancel a check code on the heater and determine the defective part remote controller from individual symptoms 9 3 4How to diagnose by error code Diagnosis flow chart for each 9 4 1Hydro unit failure detection error code 9 4 2Outdoor unit failure detection 9 4 3Temperature sensor temperature resistance characteristic table Operation check by PC board 9 5 1Operation check mode The operation check mode allows to determine good or not by checking the 9 5 operation of the 4 way valve 2 way valve and pulse motor valve 9 6 Brief method for checking the 9 6 1Hydro unit How to determine the presence of any key components 9 6 2Outdoor unit defect particularly in functional parts 81 9 1 Matters to be con
231. time low noise setting is enabled the control starts at the set start time 3 Press TEST 2 to exit the night time low noise time setting mode The and 5 goes out returning to its original status 57 Item Operation flow and applicable data etc 8 3 Hydro Unit Control 1 Capacity control compressor high temperature release low temperature release This unit controls the compressor frequency and heater output so that the water outlet temperature matches the remote controller set temperature 1 1 Compressor control Calculates the different between the remote controller set temperature TSC_H TSC_F and the water outlet temperature Hot water supply THO Heating TWO Sets the Hz signal correction amount that determines the number of compressor rotations by the temperature difference Detects the number of compressor rotations Compares the Hz signal correction amount and the current operation Hz and changes the compressor output according to the difference The control details are the same for hot water supply heating and cooling Remote controller Hydro unit Temperature settings Water outlet temperature TSC_H TSC_F THO TWO SC_H THO for hot water supply TSC F TWO or heating cooling Hz signal correction Number of compressor rotation detection 7 signal correction lt Operation HZ Inverter output change Number of compressor
232. time while running refrigerant recovery pump down Do not make additional charging An additional charge when refrigerant leaks changes the refrigerant composition in the refrigerant cycle causing the characteristics change of the Air to Water Heat Pump or excessive high pressure in the refrigerant cycle with more than the specified amount of refrigerant charged This may cause burst or an injury Fig 2 4 1 Configuration of refrigerant charging Outdoor unit Open close valve for charging Service port Electronic balance l refrigerant charging 11 NOTE Make sure that the setting is appropriate so that liquid can be charged Acylinder with siphon enables liquid to be charged without the cylinder turned upside down Cylinder with siphon Gauge manifold Outdoor unit Refrigerant cylinder Electronic balance NOTE Cylinder without siphon Gauge manifold Outdoor unit Siphon pipe Refrigerant cylinder Electronic balance Because R410A is HFC mixed refrigerant charging with gas changes the charged refrigerant composition causing the equipment characteristics to change 12 2 5 Brazing of pipes 2 5 1 Materials of brazing Silver brazing metal Silver brazing metal is an alloy mainly composed of silver and copper It uses iron copper or copper alloy and is relatively expensive though it excels in soldering Phosphor bronze brazing metal Phosphor bronze
233. ting between the boiler and hydro unit FC_3E 0 1 switches the running priority hydro unit Default boiler When FC 3E is set to 0 Default the hydro unit has priority the boiler stops as temperature reaches the hydro unit s temperature setting When FC 3E is set to 1 the boiler continues to run even after temperature reaches the hydro unit s temperature setting The setting of FC is effective during the HP Boiler operation Coordination setting of the boiler and heat pump when _58 0 the boiler and heat pump runs simultaneously Default when FC_5B 1 only the boiler runs however if the external air temperature becomes the boiler HP switching temperature or more within 60 minutes the heater may run instead for up to 60 minutes when FC 5B 2 the heater runs 1 When FC 3E is to 0 Default the hydro unit has priority the boiler stops as temperature reaches the hydro unit s temperature setting When FC 3E is set to 1 the boiler continues to run even after temperature reaches the hydro unit s temperature setting Installation example DP SWO02 1 OFF The boiler is placed after the 3 way valve and in the heating side osi TO 10 10 lt TO ption HEATING Boiler HP HP HOT WATER HP HP Boiler for heating HP for hot water HP or heating COOLING HEATING amp HOT WATER Radiator HP TO2 10 Boiler amp HP switching t
234. tings are available with dip switches 1 Overview Using 3 dip switches SW802 SW803 SW804 and 2 push button switches SW800 SW801 can make settings available and confirm operations For operation Part number Specification Operation details SW800 Press button switch This switch switches the indications of LED D800 to D804 on the outdoor control board SW803 Dip switch SW801 Press button switch This switch enables users to perform a special operation for maintenance and inspection SW804 Dip switch SW802 Dip switch This switch performs initial settings See 10 16 2 For display Part number Specification Operation details D502 Amber LED Signal display signals from the hydro unit of communication between hydro unit and outdoor unit serial communication D503 Green LED Signal display signals from the outdoor unit of communication between hydro unit and outdoor unit serial communication Yellow LED Abnormality indication D800 to D804 E E md any of D800 to D804 indicates that the outdoor Setting SW803 to other than OFF shows details with LED indication Green LED Energization indication D805 This LED lights when the outdoor unit is energized During a special operation with the SW801 or SW804 operation this LED blinks Note All the LEDs have no color when off HWS 803H E 1103H E 1403H E gt Special operation switch Operations for maintenance and in
235. tion 2 Discharge temperature release control This control detects an abnormality of the refrigerant cycle or compressor to perform failure prevention This control reduces operation frequency if the PMV control does not lower the outlet temperature or if the outlet temperature rapidly rises The frequency control is broken down to the unit of 0 6 Hz to stabilize the cycle f the discharge temperature detects the abnormal stop zone the compressor stops and then restarts after 150 seconds The abnormality detection counter is cleared when the operation continues for 10 minutes If detected 4 times the error code is displayed and the compressor does not restart An abnormality could occur due to too less refrigerant PMV defective or cycle stuck For details about an error displayed see the check code list TD C Abnormal stop 111 Frequency normal down 109 Frequency slow down 106 EN Frequency hold 103 Frequency slow up 96 up to the point instructed As instructed 72 Item Operation flow and applicable data etc 8 4 Outdoor unit control 3 Current release control The number of compressor rotation is controlled so that current value of the compressor drive circuit does not exceed the specified value The outdoor unit detects the input current The outside air temperature is detected and used to set the specified value of current The number of compre
236. tion continues for 1 min cooling after the compressor is stopped ON on the remote control will not operate the compressor It When the outdoor temperature TO sensor detection 4 will not operate even after the reboot delay timer elapsed temperature is 20 C or lower the heat pump will not operate in order to protect the compressor and the heater will operate instead When the power is turned on it starts operation without The auto restart operation may be working operating the remote control The antifreeze operation may be working 5 If the TWI TWO or THO sensor detects a temperature below 4 C the operation changes from circulating pump gt gt circulating pump heater 82 9 3 Outline of the determination diagram The first determination of whether a defective part is in the hydro unit or the outdoor unit can be performed by the following method 9 3 1 Procedure of defect diagnosis In the case of a defect please apply the following procedure in order to find the defective part Defect in Hydro unit Confirm the check code on the remote control display Check code A01 A12 Check code LO7 L16 Abnormality in the communication or setting system Chack code Abnormality in the water EXX heat exchange or outdoor unit sensor system Abnormality in the outdoor unit or hot water tank unit 9 3 2 How to determine from the check code on the remot
237. top Related FC FC No Setting item Default Setting available range 62 Activate deactivate A02 error detection 0 Activate 1 Deactivate This FC62 function is valid when DP SW13 2 is ON See 10 1 1 Setting switch names and positions 71 Item Operation flow and applicable data etc 8 4 Outdoor unit control 1 PMV Pulse motor valve control Valve opening is controlled using the expansion valve with a pulse motor according to a heat pump operation status PMV is controlled between 30 and 500 pulses during an operation At the time of a cooling operation PMV is controlled with the usual target value of 1 to 4 K temperature difference between TS sensor and TC sensor At the time of a hot water supply or heating operation PMV is controlled with the usual target value of 2 to 4 K for 803H E or 1 to 4 K for 1103 1403H E 1to 4 K 11 to 1603H8 R E temperature difference between TS sensor and TE sensor For both cooling and heating if the cycle is overheated PMV is controlled using the TD sensor The usual target value is 91 C for a cooling operation and 96 C for a heating operation A defective sensor may cause liquid back flow or abnormal overheat of the compressor significantly shortening the compressor life If the compressor or other equipment is repaired first check that the resistance of each sensor or the refrigerant cycle has no problem then start the opera
238. tting Reboot controller displays disappears reset Setting Repeat F30 Error Enhanced IC failure Enhanced IC on water heat exchanger control board is abnormal Replace the water heat exchanger control board to a service board L07 Error At the time of power on detecting the above failure automatically activates the automatic address setting mode Check code is not output Note that if the above failure is detected in the automatic address setting mode a check code may be output 107 L09 Error is not set Setting item code FC_01 8 kW 12 14 kW 17 Water heat exchange control board MCC 1511 Check If defective replace it L16 Error In DP SW12 2 of main unit water heat exchanger if is not set and ZONE2 is set L16 displays abnormality Set correctly DP SW12 2 3 108 9 4 2 Outdoor Unit Failure Detection Diagnosis procedure for each check code One check code may indicate multiple symptoms In such a case see the LED indication on the outdoor board to narrow down the check details The handy remote controller displays a check code only when the same failure repeatedly occurs while the LED on the outdoor board indicates an error even if it occurs only once This may cause indication inconsistency between the remote controller and LED Outdoor board LED indication method Dip switch setting Setting 1 only of SW803 to ON indicates the latest failure
239. u aus s qaa ea udaan eee 37 MCC 1600 Noise Filter ese Lo pep a kiosa a eee aa 38 7 Refrigeration Cycle Water System Diagram 39 7 1 Water System Diagrami s as acca au Shad RERO RIO ea aa Sa Kisa eRe alee 39 7 2 Refrigeration Cycle System 41 8 Operational Description dee RR Rew eke Kee Ke RRR RRR EEE 43 9 Method of Defect 81 9 1 Matters to be confirmed 5 tees 82 9 1 1 Check the power supply 82 9 1 2 Check for any miswiring of the connection cables between the hydro unit and the oed u Pcr 82 9 1 3 About the installation of the temperature 82 9 2 Non defective operation program operation No fault code display appears 82 9 3 Outline of the determination diagram 2 teas 83 9 3 1 Procedure of defect 83 9 3 2 How to determine from the check code on the remote 83 9 3 3 How to cancel a check code on the remote controller 83 9 3 4 How to diagnose by error code 1 en 84 9 4 Diagnosis flow chart for each error code 91 9 4
240. ue Type 1 White Resistance CAM MD12TF 15 6 Red M Location alie 802H E 3 Orange Red White Orange 42 500 Red Yellow Blue 42 50 Condition 20 C Yellow Blue 4 2 4 Type 1 Black UKV A025 0100 T Resistance 1103 1403H E Location 1103 to 1603H8 R E 3 Red Grey Black Red 43 49 Q Grey Yellow Orange 43 49 Condition 20 C Yellow Grey Orange 2 6 4 125 No Component name Check procedure Suction temperature TS sensor Heat exchange temperature TE sensor Remove the connector and measure the resistance value with a tester 10 20 kQ Normal temperature 5 Outdoor temperature TO Temperature 0 10 20 30 sensor Sensor kQ Outdoor heat exchange temperature sensor TE 33 8 20 4 12 6 8 0 Suction temperature sensor TS Discharge temperature TD Remove the connector and measure the resistance value with a tester sensor Temperature 6 0 10 C 20 C 30 Sensor Discharge temperature sensor TD 161 3 99 0 62 4 40 2 126 10 unit and Outdoor Unit Settings Hydro unit 1 Hydro u nit Setting 1 1 Setting switch names and positions 1 2 SW02 System switching 1 5102 Switching details Factory default Remarks 02 1 Bo
241. uide for proper operation A defective installation may cause a refrigerant cycle defective a water leak an electric shock or a fire Do not modify the product Do not disassemble or modify the parts also A fire an electric shock or an injury may occur 2 2 Installing refrigerant pipe 2 2 1 Steel pipe and joint For refrigerant piping steel pipe and joints are mainly used Select those comply with JIS Japanese Industrial Standards for a service work Also use such clean piping materials that less impurities attach to the inside of pipe and joints Copper pipe Use copper pipe of the copper and copper alloy seamless pipe type with attach oil quantity of 40 mg 10 m or less Do not use pipe that is cracked distorted or discoloured especially inside The expansion valve or capillary may get clogged with impurities Considering that Air to Water Heat Pump using R410A is higher in pressure than those using the conventional R22 be sure to select the material that comply with the standard Table 2 1 shows the thickness of copper pipe used for RA10A Never use commercially available thin walled copper pipe of 0 8 mm thick or less Table 2 1 Wall thickness of copper pipe Wall thickness mm Nominal diameter Outer diameter R410A 3 8 9 52 0 80 5 8 15 88 1 00 Joints For the joint of copper pipe flared joint and socket joint are used Remove impurities from a joint before using it Flared jo
242. ulation pump inspection Annually No leakage or abnormal noise must be found Replacement every 10 years Charged 8 Air vent valve inspection Annually Water leakage Air vent 9 Expansion vessel Annually Visual check for charge pressure abnormality water leakage or corrosion 10 Heater assembly Annually Check for appearance damage deformation or loose terminal 11 Flow switch Annually Operation check while running 12 Manometer Annually Water leakage water pressure check 13 Safety valve Annually Water leakage Appearance check Drainage check 14 Water heat exchanger control board Terminal block Annually Check for loose connector and connecting terminal Outdoor unit HWS 803H E 1103H E 1403H E Frequency Periodic inspection details HWS 803H8 R E 1403H8 R E 1603H8 R E 1 Insulation measurement Power source circuit Annually Insulation measurement with a mega tester Compressor 2 Power source measurement No load voltage Rated Annually Electronic voltage measurement operation 220 230V 10 Single phase type 380 400V 10 3 phase type 3 Operation frequency Outdoor unit operation check Annually Frequency check by rated operation See 10 13 4 Refrigerant leakage inspection Annually Visual inspection and check connection with a leak tester No leakage must be found 5 Air heat exchanger inspection Dirt and clogging Annually Visual inspection Clear clogging 6 Fan inspection Scratch damage Annually Check for scratches or da
243. um ZOZNO 10200 O0ZNO Jopeod 23 5 3 Outdoor Unit 3 phase type HWS 1103H8 R E 1403H8 R E 1603H8 R E x 5 RED Posister RED DAOC RED RED CN851 my CN10 RY 14 CN101 RED CN16 RED RED WHI cn17 WHI o oak f BLK CN18 o 1 P C board cN21 4 RER P C board GRY rm 4 cN20 MCC 1600 CNI MCC 1596 cN212 12 BLK GRY o0 L CN213 CN23 CN13 RED ee CN19 CN20 r C
244. ump switching temperature 10 C 20 20 C 3E Control priority between the hydro unit and boiler 0 Hydro unit control Independent temperature Control valid for operating heat pump mode control for the hydro unit and boiler 5B Coordination of the boiler and heat pump 0 Boiler and Heat pump 1 Boiler only 2 Heater only 62 Activate deactivate A02 error detection 0 Activate 1 Deactivate 53 Item Operation flow and applicable data etc 8 2 8 Hot water boost operation Operation Mode A hot water boost operation heats the water quickly to the set temperature TSC_H 75 C FC 09 and Control Method 1 How to operate When pressing the HOT WATER BOOST button after pressing the remote controller HOT WATER button a heat pump operation in progress in the heating side switches to in the hot water side and continues the operation regardless of the hot water supply start condition TTW lt 38 C In addition the hot water cylinder is immediately energized to start a Hot water supply operation under TSC_H 75 C A hot water boost operation returns to the usual operation after 60 minutes passed or reached 75 C The remote controller display during a hot water boost operation is the same as the set temperature display of a usual Hot water supply operation The usual set temperature change is used for changing the set temperature during a hot water boost operation Change the BOOST set
245. ure in the refrigerant cycle leading to an injury due to burst Do not make additional charge of the refrigerant An additional charge when refrigerant gas leaks changes the refrigerant composition in the refrigerant cycle causing the characteristics change of the Air to Water Heat Pump or excessive high pressure in the refrigerant cycle with more than the specified amount of refrigerant charged This may cause burst or an injury If the refrigerant gas leaks perform refrigerant recovery or other operation to make the Air to Water Heat Pump contain no refrigerant and then perform vacuuming After that refill the unit with the defined amount of liquid refrigerant Never charge refrigerant exceeding the amount specified When the refrigerant cycle is refilled with refrigerant do not enter air or refrigerants other than the specified refrigerant R410A A mixture of R410A with air or an inappropriate substance causes excessive high pressure inside the refrigerant cycle leading to an injury due to burst Check that there is no refrigerant gas leak after the installation is completed If it catches fire of a fan heater a space heater or a stove poisonous gases may be produced Be careful with wiring After a repair is completed be sure to reassemble the parts and put the wiring back to its original state In addition be careful with the internal wiring not to be caught in a cabinet or panel A defective assembly or wiring may
246. ve the board 154 No Exchange parts name Work procedure Remarks 4 Relay board 1 How to remove MCC 1431 1 Perform the step 1 1 2 Disconnect the connectors and lead cables connected to other parts from the relay board 1 Connector CN01 TB 01 3P Terminal block White CNO2 Water heat exchanger board 5P White CN10 TB 05 9P Terminal block 9P White NOTE When removing the connector release the safety lock of the housing 3 3 Release the 3 stoppers of the relay board to remove A 5 the board Relay board 5 Electric parts 1 How to remove assembly 1 Perform the step 1 1 2 Disconnect the connectors and lead cables connected to other parts from the water heat exchanger board 1 Connector CN200 Flow switch 3P Red CN201 Pressure switch 2P White CN202 Bimetal thermostat 3P Yellow CN203 TC sensor 2P Yellow CN204 TWI sensor 3P Brown CN205 TWO sensor 2P Red CN206 THO sensor 3P White CN207 Low pressure sensor 2P Blue CN212 Low pressure sensor 4P White CN603 Pump 3P Yellow Disconnect the heater power source cable For backup heater and hot water cylinder heater from the MgSW NOTE When removing the connector release the safety lock of the housing 3 Remove the fixed screws ST2T x 8 2 screws 4 Remove the electric parts assembly by pulling it toward you while pulling it upward because the assembly back side has a ho
247. wer limit of cooling set temperature 0010 10 C 0018 20 C 0010 10 C Upper limit of heating ZONE1 set temperature 0037 37 C 0055 55 C 0055 55 C 1B Lower limit of heating ZONE1 set temperature 0020 20 C 0037 37 C 0020 20 C 1C Upper limit of heating ZONE2 set temperature 0037 37 C 0055 55 C 0055 55 C 1D Lower limit of heating ZONE2 set temperature 0020 20 C 0037 37 C 0020 20 C 1E Upper limit of hot water set temperature 0060 60 C 0080 80 C 0075 75 C 1F Lower limit of hot water set temperature 0040 40 C 0060 60 C 0040 40 C 20 Hot water HP start temperature 0020 20 C 0045 45 C 0038 38 C 21 Hot water HP stop temperature 0040 40 C 0050 50 C 0045 45 C 22 Priority mode Hot water supply Heating switching 0020 20 C 0020 20 C 0000 0 C temperature 23 Boiler output enable switching temperature 0020 20 C 0020 20 C 0010 10 C 24 Outside air temperature for hot water temperature 0020 20 C 0010 10 C 0000 0 C compensation start 25 Hot water temperature compensation value 0000 OK 0015 15K 0003 3K 26 Night set back change temperature range 0003 3K 0020 20K 0005 5K 27 Set temperature shift with heating Auto 0005 5K 0005 5K 0000 OK 29 Outside air temperature T1 temperature 0015 15 C 0000 0 C 0010 10 C 2B Outside air temperature temperature 0000 0 C 0015 15 C 0010 10 C 2C A with outside air
248. y terminal block Black CN08 Power supply terminal block Gray CNO9 Connection to earth Brown CN10 Posister Red CN16 Relay Red CN17 Compressor IPDU board White CN18 Relay Black CN19 Relay Gray CN20 Power supply terminal block White CN23 Fan IPDU board 5P Red CN50 Interface board 2P White CN51 Fan IPDU board 2P Back Connectors should be removed after unlocking the housing section 4 Remove the claw of the support 2 positions and the screw 2 positions fixing the base and then remove the noise filter base 2 Attachment 1 Mount noise filter board 2 Mount components in the opposite method to that when removing Fan IPDU boardg State ofjnoize filter when removed 186 No Part name Procedure Remarks Compressor IPDU board MCC 1596 1 Detachment 1 Carry out the operation in 1 of 1 1 of 4 1 of 5 1 of 6 and 1 of 7 2 Remove the screw 4 positions fixing the inverter assembly IPDU 3 Remove the lead wire and connector to other components from the compressor IPDU board CNO04 Posister Red CNO9 Power supply terminal block Yellow CN10 Power supply terminal block Yellow CN11 Relay Red CN12 Noise filter board White CN13 Relay Black CN101 FAN IPDU board 3P White CN211 Compressor Red CN212 Compressor White CN213 Compressor Black CN851 FAN IPDU board 5P Red Connector

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